Home / 2,221.16-3,331.80-922.73

Finding the Fourth Proportional to 2,221.16, 3,331.80 and 922.73

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Solution

The fourth proportional to 2,221.16, 3,331.80 and 922.73 is: 1,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.16 : 3,331.80 = 922.73 : x
  2. Step 2: Convert to fraction form
    2,221.16/3,331.80 = 922.73/x
  3. Step 3: Cross multiply
    2,221.16x = 3,331.80 × 922.73
  4. Step 4: Simplify right side
    2,221.16x = 3,074,335.16
  5. Step 5: Solve for x
    x = 3,074,335.16/2,221.16
  6. Step 6: Final answer
    x = 1,384.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.