Question

Divide 28 in the ratio 1:3

Answer 1

Let one no. be x and other be 3x

x + 3x = 28

x = 7

the nos. are 7 and 21

Answer 2

Let the unit of proportionality be x; then the ratio is x:3x

x+3x=4x=28

x=7

And 3x=21

Therefore the required ratio is 7:21

This should be the answer, hope it helps:))