Home / 2,222.56-3,067.13-1,227.81

Finding the Fourth Proportional to 2,222.56, 3,067.13 and 1,227.81

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Solution

The fourth proportional to 2,222.56, 3,067.13 and 1,227.81 is: 1,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.56 : 3,067.13 = 1,227.81 : x
  2. Step 2: Convert to fraction form
    2,222.56/3,067.13 = 1,227.81/x
  3. Step 3: Cross multiply
    2,222.56x = 3,067.13 × 1,227.81
  4. Step 4: Simplify right side
    2,222.56x = 3,765,850.20
  5. Step 5: Solve for x
    x = 3,765,850.20/2,222.56
  6. Step 6: Final answer
    x = 1,694.38

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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.