Home / 3,442.20-5,163.78-1,250.68

Finding the Fourth Proportional to 3,442.20, 5,163.78 and 1,250.68

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Solution

The fourth proportional to 3,442.20, 5,163.78 and 1,250.68 is: 1,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.20 : 5,163.78 = 1,250.68 : x
  2. Step 2: Convert to fraction form
    3,442.20/5,163.78 = 1,250.68/x
  3. Step 3: Cross multiply
    3,442.20x = 5,163.78 × 1,250.68
  4. Step 4: Simplify right side
    3,442.20x = 6,458,236.37
  5. Step 5: Solve for x
    x = 6,458,236.37/3,442.20
  6. Step 6: Final answer
    x = 1,876.19

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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.