Home / 3,982.92-5,960.40-3,271.86

Finding the Fourth Proportional to 3,982.92, 5,960.40 and 3,271.86

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Solution

The fourth proportional to 3,982.92, 5,960.40 and 3,271.86 is: 4,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.92 : 5,960.40 = 3,271.86 : x
  2. Step 2: Convert to fraction form
    3,982.92/5,960.40 = 3,271.86/x
  3. Step 3: Cross multiply
    3,982.92x = 5,960.40 × 3,271.86
  4. Step 4: Simplify right side
    3,982.92x = 19,501,564.54
  5. Step 5: Solve for x
    x = 19,501,564.54/3,982.92
  6. Step 6: Final answer
    x = 4,896.30

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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.