Home / 3,909.38-5,864.01-1,569.98

Finding the Fourth Proportional to 3,909.38, 5,864.01 and 1,569.98

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Solution

The fourth proportional to 3,909.38, 5,864.01 and 1,569.98 is: 2,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.38 : 5,864.01 = 1,569.98 : x
  2. Step 2: Convert to fraction form
    3,909.38/5,864.01 = 1,569.98/x
  3. Step 3: Cross multiply
    3,909.38x = 5,864.01 × 1,569.98
  4. Step 4: Simplify right side
    3,909.38x = 9,206,378.42
  5. Step 5: Solve for x
    x = 9,206,378.42/3,909.38
  6. Step 6: Final answer
    x = 2,354.95

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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.