Home / 3,427.57-5,138.26-1,234.75

Finding the Fourth Proportional to 3,427.57, 5,138.26 and 1,234.75

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Solution

The fourth proportional to 3,427.57, 5,138.26 and 1,234.75 is: 1,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.57 : 5,138.26 = 1,234.75 : x
  2. Step 2: Convert to fraction form
    3,427.57/5,138.26 = 1,234.75/x
  3. Step 3: Cross multiply
    3,427.57x = 5,138.26 × 1,234.75
  4. Step 4: Simplify right side
    3,427.57x = 6,344,466.54
  5. Step 5: Solve for x
    x = 6,344,466.54/3,427.57
  6. Step 6: Final answer
    x = 1,851.01

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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.