Home / 3,546.98-5,321.30-1,787.66

Finding the Fourth Proportional to 3,546.98, 5,321.30 and 1,787.66

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Solution

The fourth proportional to 3,546.98, 5,321.30 and 1,787.66 is: 2,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.98 : 5,321.30 = 1,787.66 : x
  2. Step 2: Convert to fraction form
    3,546.98/5,321.30 = 1,787.66/x
  3. Step 3: Cross multiply
    3,546.98x = 5,321.30 × 1,787.66
  4. Step 4: Simplify right side
    3,546.98x = 9,512,639.61
  5. Step 5: Solve for x
    x = 9,512,639.61/3,546.98
  6. Step 6: Final answer
    x = 2,681.90

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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.