Home / 3,815.82-5,723.76-1,350.65

Finding the Fourth Proportional to 3,815.82, 5,723.76 and 1,350.65

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Solution

The fourth proportional to 3,815.82, 5,723.76 and 1,350.65 is: 2,025.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.82 : 5,723.76 = 1,350.65 : x
  2. Step 2: Convert to fraction form
    3,815.82/5,723.76 = 1,350.65/x
  3. Step 3: Cross multiply
    3,815.82x = 5,723.76 × 1,350.65
  4. Step 4: Simplify right side
    3,815.82x = 7,730,796.44
  5. Step 5: Solve for x
    x = 7,730,796.44/3,815.82
  6. Step 6: Final answer
    x = 2,025.99

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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.