Home / 3,101.26-4,279.89-1,704.04

Finding the Fourth Proportional to 3,101.26, 4,279.89 and 1,704.04

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Solution

The fourth proportional to 3,101.26, 4,279.89 and 1,704.04 is: 2,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.26 : 4,279.89 = 1,704.04 : x
  2. Step 2: Convert to fraction form
    3,101.26/4,279.89 = 1,704.04/x
  3. Step 3: Cross multiply
    3,101.26x = 4,279.89 × 1,704.04
  4. Step 4: Simplify right side
    3,101.26x = 7,293,103.76
  5. Step 5: Solve for x
    x = 7,293,103.76/3,101.26
  6. Step 6: Final answer
    x = 2,351.66

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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.