Home / 1,636-2,454-724

Finding the Fourth Proportional to 1,636, 2,454 and 724

Calculator

Solution

The fourth proportional to 1,636, 2,454 and 724 is: 1,086

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636 : 2,454 = 724 : x
  2. Step 2: Convert to fraction form
    1,636/2,454 = 724/x
  3. Step 3: Cross multiply
    1,636x = 2,454 × 724
  4. Step 4: Simplify right side
    1,636x = 1,776,696
  5. Step 5: Solve for x
    x = 1,776,696/1,636
  6. Step 6: Final answer
    x = 1,086

Related Problems

Find fourth proportional to 818, 1,227 and 362
Half scale
Find fourth proportional to 3,272, 4,908 and 1,448
Double scale
Find fourth proportional to 1,637, 2,455.50 and 725
Similar ratio
Find fourth proportional to 2,454, 3,681 and 1,086
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.