Home / 3,815.28-5,263.92-2,243.88

Finding the Fourth Proportional to 3,815.28, 5,263.92 and 2,243.88

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Solution

The fourth proportional to 3,815.28, 5,263.92 and 2,243.88 is: 3,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.28 : 5,263.92 = 2,243.88 : x
  2. Step 2: Convert to fraction form
    3,815.28/5,263.92 = 2,243.88/x
  3. Step 3: Cross multiply
    3,815.28x = 5,263.92 × 2,243.88
  4. Step 4: Simplify right side
    3,815.28x = 11,811,604.81
  5. Step 5: Solve for x
    x = 11,811,604.81/3,815.28
  6. Step 6: Final answer
    x = 3,095.87

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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.