Home / 3,926.97-5,887.26-2,171.91

Finding the Fourth Proportional to 3,926.97, 5,887.26 and 2,171.91

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Solution

The fourth proportional to 3,926.97, 5,887.26 and 2,171.91 is: 3,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.97 : 5,887.26 = 2,171.91 : x
  2. Step 2: Convert to fraction form
    3,926.97/5,887.26 = 2,171.91/x
  3. Step 3: Cross multiply
    3,926.97x = 5,887.26 × 2,171.91
  4. Step 4: Simplify right side
    3,926.97x = 12,786,569.43
  5. Step 5: Solve for x
    x = 12,786,569.43/3,926.97
  6. Step 6: Final answer
    x = 3,256.09

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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.