Question

find the fourth proportional of 3/2 7/3 13/4​

Answer 1

let , Fourth proportional be 'X' .

Now ,3/2:7/3::13/4:X

or, 3/2/7/3 = 13/4/x

or, 9/14=13x/4

or,x=18/91

Therefore, The fourth proportional will be x=18/91