Home / 3,073.20-4,612.68-1,613.40

Finding the Fourth Proportional to 3,073.20, 4,612.68 and 1,613.40

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Solution

The fourth proportional to 3,073.20, 4,612.68 and 1,613.40 is: 2,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.20 : 4,612.68 = 1,613.40 : x
  2. Step 2: Convert to fraction form
    3,073.20/4,612.68 = 1,613.40/x
  3. Step 3: Cross multiply
    3,073.20x = 4,612.68 × 1,613.40
  4. Step 4: Simplify right side
    3,073.20x = 7,442,097.91
  5. Step 5: Solve for x
    x = 7,442,097.91/3,073.20
  6. Step 6: Final answer
    x = 2,421.61

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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.