Home / 3,454.62-5,181.94-1,375.76

Finding the Fourth Proportional to 3,454.62, 5,181.94 and 1,375.76

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Solution

The fourth proportional to 3,454.62, 5,181.94 and 1,375.76 is: 2,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.62 : 5,181.94 = 1,375.76 : x
  2. Step 2: Convert to fraction form
    3,454.62/5,181.94 = 1,375.76/x
  3. Step 3: Cross multiply
    3,454.62x = 5,181.94 × 1,375.76
  4. Step 4: Simplify right side
    3,454.62x = 7,129,105.77
  5. Step 5: Solve for x
    x = 7,129,105.77/3,454.62
  6. Step 6: Final answer
    x = 2,063.64

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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.