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Finding the Fourth Proportional to 2,250.32, 3,375.48 and 951.68

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Solution

The fourth proportional to 2,250.32, 3,375.48 and 951.68 is: 1,427.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.32 : 3,375.48 = 951.68 : x
  2. Step 2: Convert to fraction form
    2,250.32/3,375.48 = 951.68/x
  3. Step 3: Cross multiply
    2,250.32x = 3,375.48 × 951.68
  4. Step 4: Simplify right side
    2,250.32x = 3,212,376.81
  5. Step 5: Solve for x
    x = 3,212,376.81/2,250.32
  6. Step 6: Final answer
    x = 1,427.52

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1.5x scale

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.