Home / 3,815.23-5,716.92-1,838.73

Finding the Fourth Proportional to 3,815.23, 5,716.92 and 1,838.73

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Solution

The fourth proportional to 3,815.23, 5,716.92 and 1,838.73 is: 2,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.23 : 5,716.92 = 1,838.73 : x
  2. Step 2: Convert to fraction form
    3,815.23/5,716.92 = 1,838.73/x
  3. Step 3: Cross multiply
    3,815.23x = 5,716.92 × 1,838.73
  4. Step 4: Simplify right side
    3,815.23x = 10,511,872.31
  5. Step 5: Solve for x
    x = 10,511,872.31/3,815.23
  6. Step 6: Final answer
    x = 2,755.24

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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.