Home / 2,209.59-3,049.32-1,214.97

Finding the Fourth Proportional to 2,209.59, 3,049.32 and 1,214.97

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Solution

The fourth proportional to 2,209.59, 3,049.32 and 1,214.97 is: 1,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.59 : 3,049.32 = 1,214.97 : x
  2. Step 2: Convert to fraction form
    2,209.59/3,049.32 = 1,214.97/x
  3. Step 3: Cross multiply
    2,209.59x = 3,049.32 × 1,214.97
  4. Step 4: Simplify right side
    2,209.59x = 3,704,832.32
  5. Step 5: Solve for x
    x = 3,704,832.32/2,209.59
  6. Step 6: Final answer
    x = 1,676.71

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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.