Home / 3,462.28-5,193.48-1,271.20

Finding the Fourth Proportional to 3,462.28, 5,193.48 and 1,271.20

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Solution

The fourth proportional to 3,462.28, 5,193.48 and 1,271.20 is: 1,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.28 : 5,193.48 = 1,271.20 : x
  2. Step 2: Convert to fraction form
    3,462.28/5,193.48 = 1,271.20/x
  3. Step 3: Cross multiply
    3,462.28x = 5,193.48 × 1,271.20
  4. Step 4: Simplify right side
    3,462.28x = 6,601,951.78
  5. Step 5: Solve for x
    x = 6,601,951.78/3,462.28
  6. Step 6: Final answer
    x = 1,906.82

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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.