Home / 3,824.52-5,278.68-2,427

Finding the Fourth Proportional to 3,824.52, 5,278.68 and 2,427

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Solution

The fourth proportional to 3,824.52, 5,278.68 and 2,427 is: 3,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.52 : 5,278.68 = 2,427 : x
  2. Step 2: Convert to fraction form
    3,824.52/5,278.68 = 2,427/x
  3. Step 3: Cross multiply
    3,824.52x = 5,278.68 × 2,427
  4. Step 4: Simplify right side
    3,824.52x = 12,811,356.36
  5. Step 5: Solve for x
    x = 12,811,356.36/3,824.52
  6. Step 6: Final answer
    x = 3,349.79

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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.