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Finding the Fourth Proportional to 1,224.81, 1,832.94 and 1,002.87

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Solution

The fourth proportional to 1,224.81, 1,832.94 and 1,002.87 is: 1,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.81 : 1,832.94 = 1,002.87 : x
  2. Step 2: Convert to fraction form
    1,224.81/1,832.94 = 1,002.87/x
  3. Step 3: Cross multiply
    1,224.81x = 1,832.94 × 1,002.87
  4. Step 4: Simplify right side
    1,224.81x = 1,838,200.54
  5. Step 5: Solve for x
    x = 1,838,200.54/1,224.81
  6. Step 6: Final answer
    x = 1,500.80

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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.