Home / 3,942.82-5,911.26-2,382.49

Finding the Fourth Proportional to 3,942.82, 5,911.26 and 2,382.49

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Solution

The fourth proportional to 3,942.82, 5,911.26 and 2,382.49 is: 3,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.82 : 5,911.26 = 2,382.49 : x
  2. Step 2: Convert to fraction form
    3,942.82/5,911.26 = 2,382.49/x
  3. Step 3: Cross multiply
    3,942.82x = 5,911.26 × 2,382.49
  4. Step 4: Simplify right side
    3,942.82x = 14,083,517.84
  5. Step 5: Solve for x
    x = 14,083,517.84/3,942.82
  6. Step 6: Final answer
    x = 3,571.94

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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.