Home / 3,489.17-5,229.48-1,929.11

Finding the Fourth Proportional to 3,489.17, 5,229.48 and 1,929.11

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Solution

The fourth proportional to 3,489.17, 5,229.48 and 1,929.11 is: 2,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.17 : 5,229.48 = 1,929.11 : x
  2. Step 2: Convert to fraction form
    3,489.17/5,229.48 = 1,929.11/x
  3. Step 3: Cross multiply
    3,489.17x = 5,229.48 × 1,929.11
  4. Step 4: Simplify right side
    3,489.17x = 10,088,216.02
  5. Step 5: Solve for x
    x = 10,088,216.02/3,489.17
  6. Step 6: Final answer
    x = 2,891.30

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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.