Home / 3,902.20-5,384.14-2,330

Finding the Fourth Proportional to 3,902.20, 5,384.14 and 2,330

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Solution

The fourth proportional to 3,902.20, 5,384.14 and 2,330 is: 3,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.20 : 5,384.14 = 2,330 : x
  2. Step 2: Convert to fraction form
    3,902.20/5,384.14 = 2,330/x
  3. Step 3: Cross multiply
    3,902.20x = 5,384.14 × 2,330
  4. Step 4: Simplify right side
    3,902.20x = 12,545,046.20
  5. Step 5: Solve for x
    x = 12,545,046.20/3,902.20
  6. Step 6: Final answer
    x = 3,214.86

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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.