Home / 3,982.52-5,974.20-1,349.96

Finding the Fourth Proportional to 3,982.52, 5,974.20 and 1,349.96

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Solution

The fourth proportional to 3,982.52, 5,974.20 and 1,349.96 is: 2,025.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.52 : 5,974.20 = 1,349.96 : x
  2. Step 2: Convert to fraction form
    3,982.52/5,974.20 = 1,349.96/x
  3. Step 3: Cross multiply
    3,982.52x = 5,974.20 × 1,349.96
  4. Step 4: Simplify right side
    3,982.52x = 8,064,931.03
  5. Step 5: Solve for x
    x = 8,064,931.03/3,982.52
  6. Step 6: Final answer
    x = 2,025.08

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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.