Home / 3,517.44-5,278.34-1,325.96

Finding the Fourth Proportional to 3,517.44, 5,278.34 and 1,325.96

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Solution

The fourth proportional to 3,517.44, 5,278.34 and 1,325.96 is: 1,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.44 : 5,278.34 = 1,325.96 : x
  2. Step 2: Convert to fraction form
    3,517.44/5,278.34 = 1,325.96/x
  3. Step 3: Cross multiply
    3,517.44x = 5,278.34 × 1,325.96
  4. Step 4: Simplify right side
    3,517.44x = 6,998,867.71
  5. Step 5: Solve for x
    x = 6,998,867.71/3,517.44
  6. Step 6: Final answer
    x = 1,989.76

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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.