Home / 3,711.26-5,120.84-2,295.11

Finding the Fourth Proportional to 3,711.26, 5,120.84 and 2,295.11

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Solution

The fourth proportional to 3,711.26, 5,120.84 and 2,295.11 is: 3,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.26 : 5,120.84 = 2,295.11 : x
  2. Step 2: Convert to fraction form
    3,711.26/5,120.84 = 2,295.11/x
  3. Step 3: Cross multiply
    3,711.26x = 5,120.84 × 2,295.11
  4. Step 4: Simplify right side
    3,711.26x = 11,752,879.62
  5. Step 5: Solve for x
    x = 11,752,879.62/3,711.26
  6. Step 6: Final answer
    x = 3,166.82

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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.