Home / 3,995.39-5,513.66-2,227.11

Finding the Fourth Proportional to 3,995.39, 5,513.66 and 2,227.11

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Solution

The fourth proportional to 3,995.39, 5,513.66 and 2,227.11 is: 3,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.39 : 5,513.66 = 2,227.11 : x
  2. Step 2: Convert to fraction form
    3,995.39/5,513.66 = 2,227.11/x
  3. Step 3: Cross multiply
    3,995.39x = 5,513.66 × 2,227.11
  4. Step 4: Simplify right side
    3,995.39x = 12,279,503.86
  5. Step 5: Solve for x
    x = 12,279,503.86/3,995.39
  6. Step 6: Final answer
    x = 3,073.42

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1.5x scale

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.