Home / 3,565.30-5,347.15-1,715.47

Finding the Fourth Proportional to 3,565.30, 5,347.15 and 1,715.47

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Solution

The fourth proportional to 3,565.30, 5,347.15 and 1,715.47 is: 2,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.30 : 5,347.15 = 1,715.47 : x
  2. Step 2: Convert to fraction form
    3,565.30/5,347.15 = 1,715.47/x
  3. Step 3: Cross multiply
    3,565.30x = 5,347.15 × 1,715.47
  4. Step 4: Simplify right side
    3,565.30x = 9,172,875.41
  5. Step 5: Solve for x
    x = 9,172,875.41/3,565.30
  6. Step 6: Final answer
    x = 2,572.82

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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.