Question

Find the fourth proportional to 1.5,2.5,4 5.
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Answer 1

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Answer 2

Answer:

fourth is 7.5

Step-by-step explanation:

2.5-1.5=1

4.5-2.5=2

therefore

4.5+3=7.5

it means if we add 1.5 by 1 = 2.5

2.5by2=4.5

4.5by3=7.5

did you get the patern of adding 1. 2. and. 3