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Finding the Fourth Proportional to 2,252.80, 3,381.36 and 937.36

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Solution

The fourth proportional to 2,252.80, 3,381.36 and 937.36 is: 1,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.80 : 3,381.36 = 937.36 : x
  2. Step 2: Convert to fraction form
    2,252.80/3,381.36 = 937.36/x
  3. Step 3: Cross multiply
    2,252.80x = 3,381.36 × 937.36
  4. Step 4: Simplify right side
    2,252.80x = 3,169,551.61
  5. Step 5: Solve for x
    x = 3,169,551.61/2,252.80
  6. Step 6: Final answer
    x = 1,406.94

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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.