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Finding the Fourth Proportional to 3,375.82, 5,063.82 and 1,427.68

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Solution

The fourth proportional to 3,375.82, 5,063.82 and 1,427.68 is: 2,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.82 : 5,063.82 = 1,427.68 : x
  2. Step 2: Convert to fraction form
    3,375.82/5,063.82 = 1,427.68/x
  3. Step 3: Cross multiply
    3,375.82x = 5,063.82 × 1,427.68
  4. Step 4: Simplify right side
    3,375.82x = 7,229,514.54
  5. Step 5: Solve for x
    x = 7,229,514.54/3,375.82
  6. Step 6: Final answer
    x = 2,141.56

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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.