Home / 3,917.97-5,869.26-2,271.05

Finding the Fourth Proportional to 3,917.97, 5,869.26 and 2,271.05

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Solution

The fourth proportional to 3,917.97, 5,869.26 and 2,271.05 is: 3,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.97 : 5,869.26 = 2,271.05 : x
  2. Step 2: Convert to fraction form
    3,917.97/5,869.26 = 2,271.05/x
  3. Step 3: Cross multiply
    3,917.97x = 5,869.26 × 2,271.05
  4. Step 4: Simplify right side
    3,917.97x = 13,329,371.57
  5. Step 5: Solve for x
    x = 13,329,371.57/3,917.97
  6. Step 6: Final answer
    x = 3,402.12

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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.