Home / 2,209.57-3,310.45-1,167.27

Finding the Fourth Proportional to 2,209.57, 3,310.45 and 1,167.27

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Solution

The fourth proportional to 2,209.57, 3,310.45 and 1,167.27 is: 1,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.57 : 3,310.45 = 1,167.27 : x
  2. Step 2: Convert to fraction form
    2,209.57/3,310.45 = 1,167.27/x
  3. Step 3: Cross multiply
    2,209.57x = 3,310.45 × 1,167.27
  4. Step 4: Simplify right side
    2,209.57x = 3,864,186.05
  5. Step 5: Solve for x
    x = 3,864,186.05/2,209.57
  6. Step 6: Final answer
    x = 1,748.84

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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.