Home / 3,724.52-5,141.36-2,399.92

Finding the Fourth Proportional to 3,724.52, 5,141.36 and 2,399.92

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Solution

The fourth proportional to 3,724.52, 5,141.36 and 2,399.92 is: 3,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.52 : 5,141.36 = 2,399.92 : x
  2. Step 2: Convert to fraction form
    3,724.52/5,141.36 = 2,399.92/x
  3. Step 3: Cross multiply
    3,724.52x = 5,141.36 × 2,399.92
  4. Step 4: Simplify right side
    3,724.52x = 12,338,852.69
  5. Step 5: Solve for x
    x = 12,338,852.69/3,724.52
  6. Step 6: Final answer
    x = 3,312.87

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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.