Home / 3,613.11-5,419.20-1,532.72

Finding the Fourth Proportional to 3,613.11, 5,419.20 and 1,532.72

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Solution

The fourth proportional to 3,613.11, 5,419.20 and 1,532.72 is: 2,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.11 : 5,419.20 = 1,532.72 : x
  2. Step 2: Convert to fraction form
    3,613.11/5,419.20 = 1,532.72/x
  3. Step 3: Cross multiply
    3,613.11x = 5,419.20 × 1,532.72
  4. Step 4: Simplify right side
    3,613.11x = 8,306,135.52
  5. Step 5: Solve for x
    x = 8,306,135.52/3,613.11
  6. Step 6: Final answer
    x = 2,298.89

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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.