Home / 2,250.12-3,375.79-1,276.91

Finding the Fourth Proportional to 2,250.12, 3,375.79 and 1,276.91

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Solution

The fourth proportional to 2,250.12, 3,375.79 and 1,276.91 is: 1,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.12 : 3,375.79 = 1,276.91 : x
  2. Step 2: Convert to fraction form
    2,250.12/3,375.79 = 1,276.91/x
  3. Step 3: Cross multiply
    2,250.12x = 3,375.79 × 1,276.91
  4. Step 4: Simplify right side
    2,250.12x = 4,310,580.01
  5. Step 5: Solve for x
    x = 4,310,580.01/2,250.12
  6. Step 6: Final answer
    x = 1,915.71

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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.