Home / 3,892.44-5,372.26-2,320.62

Finding the Fourth Proportional to 3,892.44, 5,372.26 and 2,320.62

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Solution

The fourth proportional to 3,892.44, 5,372.26 and 2,320.62 is: 3,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.44 : 5,372.26 = 2,320.62 : x
  2. Step 2: Convert to fraction form
    3,892.44/5,372.26 = 2,320.62/x
  3. Step 3: Cross multiply
    3,892.44x = 5,372.26 × 2,320.62
  4. Step 4: Simplify right side
    3,892.44x = 12,466,974.00
  5. Step 5: Solve for x
    x = 12,466,974.00/3,892.44
  6. Step 6: Final answer
    x = 3,202.87

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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.