Home / 2,222.38-3,066.87-1,227.66

Finding the Fourth Proportional to 2,222.38, 3,066.87 and 1,227.66

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Solution

The fourth proportional to 2,222.38, 3,066.87 and 1,227.66 is: 1,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.38 : 3,066.87 = 1,227.66 : x
  2. Step 2: Convert to fraction form
    2,222.38/3,066.87 = 1,227.66/x
  3. Step 3: Cross multiply
    2,222.38x = 3,066.87 × 1,227.66
  4. Step 4: Simplify right side
    2,222.38x = 3,765,063.27
  5. Step 5: Solve for x
    x = 3,765,063.27/2,222.38
  6. Step 6: Final answer
    x = 1,694.16

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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.