Home / 3,995.05-5,513.27-2,226.61

Finding the Fourth Proportional to 3,995.05, 5,513.27 and 2,226.61

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Solution

The fourth proportional to 3,995.05, 5,513.27 and 2,226.61 is: 3,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.05 : 5,513.27 = 2,226.61 : x
  2. Step 2: Convert to fraction form
    3,995.05/5,513.27 = 2,226.61/x
  3. Step 3: Cross multiply
    3,995.05x = 5,513.27 × 2,226.61
  4. Step 4: Simplify right side
    3,995.05x = 12,275,890.98
  5. Step 5: Solve for x
    x = 12,275,890.98/3,995.05
  6. Step 6: Final answer
    x = 3,072.78

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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.