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Finding the Fourth Proportional to 2,507.27, 3,760.96 and 863.79

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Solution

The fourth proportional to 2,507.27, 3,760.96 and 863.79 is: 1,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.27 : 3,760.96 = 863.79 : x
  2. Step 2: Convert to fraction form
    2,507.27/3,760.96 = 863.79/x
  3. Step 3: Cross multiply
    2,507.27x = 3,760.96 × 863.79
  4. Step 4: Simplify right side
    2,507.27x = 3,248,673.14
  5. Step 5: Solve for x
    x = 3,248,673.14/2,507.27
  6. Step 6: Final answer
    x = 1,295.70

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1.5x scale

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.