Home / 3,959.73-5,950.38-2,112.18

Finding the Fourth Proportional to 3,959.73, 5,950.38 and 2,112.18

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Solution

The fourth proportional to 3,959.73, 5,950.38 and 2,112.18 is: 3,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.73 : 5,950.38 = 2,112.18 : x
  2. Step 2: Convert to fraction form
    3,959.73/5,950.38 = 2,112.18/x
  3. Step 3: Cross multiply
    3,959.73x = 5,950.38 × 2,112.18
  4. Step 4: Simplify right side
    3,959.73x = 12,568,273.63
  5. Step 5: Solve for x
    x = 12,568,273.63/3,959.73
  6. Step 6: Final answer
    x = 3,174.02

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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.