Home / 2,660.72-3,979.50-2,463.92

Finding the Fourth Proportional to 2,660.72, 3,979.50 and 2,463.92

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Solution

The fourth proportional to 2,660.72, 3,979.50 and 2,463.92 is: 3,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.72 : 3,979.50 = 2,463.92 : x
  2. Step 2: Convert to fraction form
    2,660.72/3,979.50 = 2,463.92/x
  3. Step 3: Cross multiply
    2,660.72x = 3,979.50 × 2,463.92
  4. Step 4: Simplify right side
    2,660.72x = 9,805,169.64
  5. Step 5: Solve for x
    x = 9,805,169.64/2,660.72
  6. Step 6: Final answer
    x = 3,685.16

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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.