Home / 2,222.30-3,066.82-1,227.66

Finding the Fourth Proportional to 2,222.30, 3,066.82 and 1,227.66

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Solution

The fourth proportional to 2,222.30, 3,066.82 and 1,227.66 is: 1,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.30 : 3,066.82 = 1,227.66 : x
  2. Step 2: Convert to fraction form
    2,222.30/3,066.82 = 1,227.66/x
  3. Step 3: Cross multiply
    2,222.30x = 3,066.82 × 1,227.66
  4. Step 4: Simplify right side
    2,222.30x = 3,765,012.24
  5. Step 5: Solve for x
    x = 3,765,012.24/2,222.30
  6. Step 6: Final answer
    x = 1,694.20

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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.