Home / 3,902.43-5,385.36-2,134.04

Finding the Fourth Proportional to 3,902.43, 5,385.36 and 2,134.04

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Solution

The fourth proportional to 3,902.43, 5,385.36 and 2,134.04 is: 2,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.43 : 5,385.36 = 2,134.04 : x
  2. Step 2: Convert to fraction form
    3,902.43/5,385.36 = 2,134.04/x
  3. Step 3: Cross multiply
    3,902.43x = 5,385.36 × 2,134.04
  4. Step 4: Simplify right side
    3,902.43x = 11,492,546.73
  5. Step 5: Solve for x
    x = 11,492,546.73/3,902.43
  6. Step 6: Final answer
    x = 2,944.97

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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.