Home / 3,456.42-5,184.54-1,147.92

Finding the Fourth Proportional to 3,456.42, 5,184.54 and 1,147.92

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Solution

The fourth proportional to 3,456.42, 5,184.54 and 1,147.92 is: 1,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.42 : 5,184.54 = 1,147.92 : x
  2. Step 2: Convert to fraction form
    3,456.42/5,184.54 = 1,147.92/x
  3. Step 3: Cross multiply
    3,456.42x = 5,184.54 × 1,147.92
  4. Step 4: Simplify right side
    3,456.42x = 5,951,437.16
  5. Step 5: Solve for x
    x = 5,951,437.16/3,456.42
  6. Step 6: Final answer
    x = 1,721.85

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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.