Home / 3,613.92-5,419.08-1,765.14

Finding the Fourth Proportional to 3,613.92, 5,419.08 and 1,765.14

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Solution

The fourth proportional to 3,613.92, 5,419.08 and 1,765.14 is: 2,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.92 : 5,419.08 = 1,765.14 : x
  2. Step 2: Convert to fraction form
    3,613.92/5,419.08 = 1,765.14/x
  3. Step 3: Cross multiply
    3,613.92x = 5,419.08 × 1,765.14
  4. Step 4: Simplify right side
    3,613.92x = 9,565,434.87
  5. Step 5: Solve for x
    x = 9,565,434.87/3,613.92
  6. Step 6: Final answer
    x = 2,646.83

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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.