Home / 3,953.30-5,929.92-1,613.29

Finding the Fourth Proportional to 3,953.30, 5,929.92 and 1,613.29

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Solution

The fourth proportional to 3,953.30, 5,929.92 and 1,613.29 is: 2,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.30 : 5,929.92 = 1,613.29 : x
  2. Step 2: Convert to fraction form
    3,953.30/5,929.92 = 1,613.29/x
  3. Step 3: Cross multiply
    3,953.30x = 5,929.92 × 1,613.29
  4. Step 4: Simplify right side
    3,953.30x = 9,566,680.64
  5. Step 5: Solve for x
    x = 9,566,680.64/3,953.30
  6. Step 6: Final answer
    x = 2,419.92

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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.