Home / 3,942.11-5,917.27-2,903.29

Finding the Fourth Proportional to 3,942.11, 5,917.27 and 2,903.29

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Solution

The fourth proportional to 3,942.11, 5,917.27 and 2,903.29 is: 4,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.11 : 5,917.27 = 2,903.29 : x
  2. Step 2: Convert to fraction form
    3,942.11/5,917.27 = 2,903.29/x
  3. Step 3: Cross multiply
    3,942.11x = 5,917.27 × 2,903.29
  4. Step 4: Simplify right side
    3,942.11x = 17,179,553.47
  5. Step 5: Solve for x
    x = 17,179,553.47/3,942.11
  6. Step 6: Final answer
    x = 4,357.95

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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.