Home / 3,427.54-5,140.92-962.56

Finding the Fourth Proportional to 3,427.54, 5,140.92 and 962.56

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Solution

The fourth proportional to 3,427.54, 5,140.92 and 962.56 is: 1,443.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.54 : 5,140.92 = 962.56 : x
  2. Step 2: Convert to fraction form
    3,427.54/5,140.92 = 962.56/x
  3. Step 3: Cross multiply
    3,427.54x = 5,140.92 × 962.56
  4. Step 4: Simplify right side
    3,427.54x = 4,948,443.96
  5. Step 5: Solve for x
    x = 4,948,443.96/3,427.54
  6. Step 6: Final answer
    x = 1,443.73

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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.