Home / 3,613.92-5,420.52-2,451.38

Finding the Fourth Proportional to 3,613.92, 5,420.52 and 2,451.38

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Solution

The fourth proportional to 3,613.92, 5,420.52 and 2,451.38 is: 3,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.92 : 5,420.52 = 2,451.38 : x
  2. Step 2: Convert to fraction form
    3,613.92/5,420.52 = 2,451.38/x
  3. Step 3: Cross multiply
    3,613.92x = 5,420.52 × 2,451.38
  4. Step 4: Simplify right side
    3,613.92x = 13,287,754.32
  5. Step 5: Solve for x
    x = 13,287,754.32/3,613.92
  6. Step 6: Final answer
    x = 3,676.83

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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.