Home / 2,222.02-3,332.22-922.78

Finding the Fourth Proportional to 2,222.02, 3,332.22 and 922.78

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Solution

The fourth proportional to 2,222.02, 3,332.22 and 922.78 is: 1,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.02 : 3,332.22 = 922.78 : x
  2. Step 2: Convert to fraction form
    2,222.02/3,332.22 = 922.78/x
  3. Step 3: Cross multiply
    2,222.02x = 3,332.22 × 922.78
  4. Step 4: Simplify right side
    2,222.02x = 3,074,905.97
  5. Step 5: Solve for x
    x = 3,074,905.97/2,222.02
  6. Step 6: Final answer
    x = 1,383.83

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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.