Home / 2,209.35-3,049.05-1,214.64

Finding the Fourth Proportional to 2,209.35, 3,049.05 and 1,214.64

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Solution

The fourth proportional to 2,209.35, 3,049.05 and 1,214.64 is: 1,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.35 : 3,049.05 = 1,214.64 : x
  2. Step 2: Convert to fraction form
    2,209.35/3,049.05 = 1,214.64/x
  3. Step 3: Cross multiply
    2,209.35x = 3,049.05 × 1,214.64
  4. Step 4: Simplify right side
    2,209.35x = 3,703,498.09
  5. Step 5: Solve for x
    x = 3,703,498.09/2,209.35
  6. Step 6: Final answer
    x = 1,676.28

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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.