Home / 3,936.92-5,876.58-3,469.85

Finding the Fourth Proportional to 3,936.92, 5,876.58 and 3,469.85

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Solution

The fourth proportional to 3,936.92, 5,876.58 and 3,469.85 is: 5,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.92 : 5,876.58 = 3,469.85 : x
  2. Step 2: Convert to fraction form
    3,936.92/5,876.58 = 3,469.85/x
  3. Step 3: Cross multiply
    3,936.92x = 5,876.58 × 3,469.85
  4. Step 4: Simplify right side
    3,936.92x = 20,390,851.11
  5. Step 5: Solve for x
    x = 20,390,851.11/3,936.92
  6. Step 6: Final answer
    x = 5,179.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.