Home / 4,032.32-5,565.12-2,639.20

Finding the Fourth Proportional to 4,032.32, 5,565.12 and 2,639.20

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Solution

The fourth proportional to 4,032.32, 5,565.12 and 2,639.20 is: 3,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,032.32 : 5,565.12 = 2,639.20 : x
  2. Step 2: Convert to fraction form
    4,032.32/5,565.12 = 2,639.20/x
  3. Step 3: Cross multiply
    4,032.32x = 5,565.12 × 2,639.20
  4. Step 4: Simplify right side
    4,032.32x = 14,687,464.70
  5. Step 5: Solve for x
    x = 14,687,464.70/4,032.32
  6. Step 6: Final answer
    x = 3,642.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.