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Finding the Fourth Proportional to 2,304.48, 3,456.81 and 660.85

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Solution

The fourth proportional to 2,304.48, 3,456.81 and 660.85 is: 991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.48 : 3,456.81 = 660.85 : x
  2. Step 2: Convert to fraction form
    2,304.48/3,456.81 = 660.85/x
  3. Step 3: Cross multiply
    2,304.48x = 3,456.81 × 660.85
  4. Step 4: Simplify right side
    2,304.48x = 2,284,432.89
  5. Step 5: Solve for x
    x = 2,284,432.89/2,304.48
  6. Step 6: Final answer
    x = 991.30

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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.