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Finding the Fourth Proportional to 3,958.08, 5,939.18 and 2,871.41

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Solution

The fourth proportional to 3,958.08, 5,939.18 and 2,871.41 is: 4,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.08 : 5,939.18 = 2,871.41 : x
  2. Step 2: Convert to fraction form
    3,958.08/5,939.18 = 2,871.41/x
  3. Step 3: Cross multiply
    3,958.08x = 5,939.18 × 2,871.41
  4. Step 4: Simplify right side
    3,958.08x = 17,053,820.84
  5. Step 5: Solve for x
    x = 17,053,820.84/3,958.08
  6. Step 6: Final answer
    x = 4,308.61

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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.