Home / 2,226.62-3,072.60-1,231.83

Finding the Fourth Proportional to 2,226.62, 3,072.60 and 1,231.83

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Solution

The fourth proportional to 2,226.62, 3,072.60 and 1,231.83 is: 1,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.62 : 3,072.60 = 1,231.83 : x
  2. Step 2: Convert to fraction form
    2,226.62/3,072.60 = 1,231.83/x
  3. Step 3: Cross multiply
    2,226.62x = 3,072.60 × 1,231.83
  4. Step 4: Simplify right side
    2,226.62x = 3,784,920.86
  5. Step 5: Solve for x
    x = 3,784,920.86/2,226.62
  6. Step 6: Final answer
    x = 1,699.85

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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.