Question

2. In a proportion the first
and fourth terms are called ​

Answer 1

Answer:

We know, the first term (1st) and the fourth term (4th) of a proportion are called extreme terms or extremes, and the second term (2nd) and the third term (3rd) are called middle terms or means.

Answer 2

Answer:

We know, the first term (1st) and the fourth term (4th) of a proportion are called extreme terms or extremes, and the second term (2nd) and the third term (3rd) are called middle terms or means. Therefore, in a proportion, product of extremes = product of middle terms. Thus, the ratios 6 : 8 and 12 : 16 are equal.