Home / 3,449.58-5,169.75-1,691.89

Finding the Fourth Proportional to 3,449.58, 5,169.75 and 1,691.89

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Solution

The fourth proportional to 3,449.58, 5,169.75 and 1,691.89 is: 2,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.58 : 5,169.75 = 1,691.89 : x
  2. Step 2: Convert to fraction form
    3,449.58/5,169.75 = 1,691.89/x
  3. Step 3: Cross multiply
    3,449.58x = 5,169.75 × 1,691.89
  4. Step 4: Simplify right side
    3,449.58x = 8,746,648.33
  5. Step 5: Solve for x
    x = 8,746,648.33/3,449.58
  6. Step 6: Final answer
    x = 2,535.57

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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.