Home / 2,207.59-3,046.44-1,212.85

Finding the Fourth Proportional to 2,207.59, 3,046.44 and 1,212.85

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Solution

The fourth proportional to 2,207.59, 3,046.44 and 1,212.85 is: 1,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.59 : 3,046.44 = 1,212.85 : x
  2. Step 2: Convert to fraction form
    2,207.59/3,046.44 = 1,212.85/x
  3. Step 3: Cross multiply
    2,207.59x = 3,046.44 × 1,212.85
  4. Step 4: Simplify right side
    2,207.59x = 3,694,874.75
  5. Step 5: Solve for x
    x = 3,694,874.75/2,207.59
  6. Step 6: Final answer
    x = 1,673.71

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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.