Home / 3,439.27-5,158.91-1,248.00

Finding the Fourth Proportional to 3,439.27, 5,158.91 and 1,248.00

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Solution

The fourth proportional to 3,439.27, 5,158.91 and 1,248.00 is: 1,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.27 : 5,158.91 = 1,248.00 : x
  2. Step 2: Convert to fraction form
    3,439.27/5,158.91 = 1,248.00/x
  3. Step 3: Cross multiply
    3,439.27x = 5,158.91 × 1,248.00
  4. Step 4: Simplify right side
    3,439.27x = 6,438,296.43
  5. Step 5: Solve for x
    x = 6,438,296.43/3,439.27
  6. Step 6: Final answer
    x = 1,872.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.