Home / 3,873.11-5,345.67-2,194.52

Finding the Fourth Proportional to 3,873.11, 5,345.67 and 2,194.52

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Solution

The fourth proportional to 3,873.11, 5,345.67 and 2,194.52 is: 3,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.11 : 5,345.67 = 2,194.52 : x
  2. Step 2: Convert to fraction form
    3,873.11/5,345.67 = 2,194.52/x
  3. Step 3: Cross multiply
    3,873.11x = 5,345.67 × 2,194.52
  4. Step 4: Simplify right side
    3,873.11x = 11,731,179.73
  5. Step 5: Solve for x
    x = 11,731,179.73/3,873.11
  6. Step 6: Final answer
    x = 3,028.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.