Home / 2,222.35-3,333.92-923.78

Finding the Fourth Proportional to 2,222.35, 3,333.92 and 923.78

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Solution

The fourth proportional to 2,222.35, 3,333.92 and 923.78 is: 1,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.35 : 3,333.92 = 923.78 : x
  2. Step 2: Convert to fraction form
    2,222.35/3,333.92 = 923.78/x
  3. Step 3: Cross multiply
    2,222.35x = 3,333.92 × 923.78
  4. Step 4: Simplify right side
    2,222.35x = 3,079,808.62
  5. Step 5: Solve for x
    x = 3,079,808.62/2,222.35
  6. Step 6: Final answer
    x = 1,385.83

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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.