Home / 3,911.97-5,398.46-2,233.91

Finding the Fourth Proportional to 3,911.97, 5,398.46 and 2,233.91

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Solution

The fourth proportional to 3,911.97, 5,398.46 and 2,233.91 is: 3,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.97 : 5,398.46 = 2,233.91 : x
  2. Step 2: Convert to fraction form
    3,911.97/5,398.46 = 2,233.91/x
  3. Step 3: Cross multiply
    3,911.97x = 5,398.46 × 2,233.91
  4. Step 4: Simplify right side
    3,911.97x = 12,059,635.62
  5. Step 5: Solve for x
    x = 12,059,635.62/3,911.97
  6. Step 6: Final answer
    x = 3,082.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.