Home / 2,209.26-3,313.88-1,114.54

Finding the Fourth Proportional to 2,209.26, 3,313.88 and 1,114.54

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Solution

The fourth proportional to 2,209.26, 3,313.88 and 1,114.54 is: 1,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.26 : 3,313.88 = 1,114.54 : x
  2. Step 2: Convert to fraction form
    2,209.26/3,313.88 = 1,114.54/x
  3. Step 3: Cross multiply
    2,209.26x = 3,313.88 × 1,114.54
  4. Step 4: Simplify right side
    2,209.26x = 3,693,451.82
  5. Step 5: Solve for x
    x = 3,693,451.82/2,209.26
  6. Step 6: Final answer
    x = 1,671.80

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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.