Home / 3,443.40-5,165.10-1,251.88

Finding the Fourth Proportional to 3,443.40, 5,165.10 and 1,251.88

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Solution

The fourth proportional to 3,443.40, 5,165.10 and 1,251.88 is: 1,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.40 : 5,165.10 = 1,251.88 : x
  2. Step 2: Convert to fraction form
    3,443.40/5,165.10 = 1,251.88/x
  3. Step 3: Cross multiply
    3,443.40x = 5,165.10 × 1,251.88
  4. Step 4: Simplify right side
    3,443.40x = 6,466,072.48
  5. Step 5: Solve for x
    x = 6,466,072.48/3,443.40
  6. Step 6: Final answer
    x = 1,877.82

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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.