Home / 3,902.24-5,385.06-2,133.86

Finding the Fourth Proportional to 3,902.24, 5,385.06 and 2,133.86

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Solution

The fourth proportional to 3,902.24, 5,385.06 and 2,133.86 is: 2,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.24 : 5,385.06 = 2,133.86 : x
  2. Step 2: Convert to fraction form
    3,902.24/5,385.06 = 2,133.86/x
  3. Step 3: Cross multiply
    3,902.24x = 5,385.06 × 2,133.86
  4. Step 4: Simplify right side
    3,902.24x = 11,490,937.21
  5. Step 5: Solve for x
    x = 11,490,937.21/3,902.24
  6. Step 6: Final answer
    x = 2,944.70

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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.