Home / 3,934.82-5,896.85-2,177.21

Finding the Fourth Proportional to 3,934.82, 5,896.85 and 2,177.21

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Solution

The fourth proportional to 3,934.82, 5,896.85 and 2,177.21 is: 3,262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.82 : 5,896.85 = 2,177.21 : x
  2. Step 2: Convert to fraction form
    3,934.82/5,896.85 = 2,177.21/x
  3. Step 3: Cross multiply
    3,934.82x = 5,896.85 × 2,177.21
  4. Step 4: Simplify right side
    3,934.82x = 12,838,640.42
  5. Step 5: Solve for x
    x = 12,838,640.42/3,934.82
  6. Step 6: Final answer
    x = 3,262.83

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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.