Home / 3,427.53-5,138.18-1,234.70

Finding the Fourth Proportional to 3,427.53, 5,138.18 and 1,234.70

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Solution

The fourth proportional to 3,427.53, 5,138.18 and 1,234.70 is: 1,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.53 : 5,138.18 = 1,234.70 : x
  2. Step 2: Convert to fraction form
    3,427.53/5,138.18 = 1,234.70/x
  3. Step 3: Cross multiply
    3,427.53x = 5,138.18 × 1,234.70
  4. Step 4: Simplify right side
    3,427.53x = 6,344,110.85
  5. Step 5: Solve for x
    x = 6,344,110.85/3,427.53
  6. Step 6: Final answer
    x = 1,850.93

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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.