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Finding the Fourth Proportional to 3,843.99, 5,304.76 and 2,331.32

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Solution

The fourth proportional to 3,843.99, 5,304.76 and 2,331.32 is: 3,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.99 : 5,304.76 = 2,331.32 : x
  2. Step 2: Convert to fraction form
    3,843.99/5,304.76 = 2,331.32/x
  3. Step 3: Cross multiply
    3,843.99x = 5,304.76 × 2,331.32
  4. Step 4: Simplify right side
    3,843.99x = 12,367,060.73
  5. Step 5: Solve for x
    x = 12,367,060.73/3,843.99
  6. Step 6: Final answer
    x = 3,217.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.