Home / 2,254.01-3,375.49-1,861.61

Finding the Fourth Proportional to 2,254.01, 3,375.49 and 1,861.61

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Solution

The fourth proportional to 2,254.01, 3,375.49 and 1,861.61 is: 2,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.01 : 3,375.49 = 1,861.61 : x
  2. Step 2: Convert to fraction form
    2,254.01/3,375.49 = 1,861.61/x
  3. Step 3: Cross multiply
    2,254.01x = 3,375.49 × 1,861.61
  4. Step 4: Simplify right side
    2,254.01x = 6,283,845.94
  5. Step 5: Solve for x
    x = 6,283,845.94/2,254.01
  6. Step 6: Final answer
    x = 2,787.85

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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.