Home / 4,081.26-6,121.68-1,159.18

Finding the Fourth Proportional to 4,081.26, 6,121.68 and 1,159.18

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Solution

The fourth proportional to 4,081.26, 6,121.68 and 1,159.18 is: 1,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.26 : 6,121.68 = 1,159.18 : x
  2. Step 2: Convert to fraction form
    4,081.26/6,121.68 = 1,159.18/x
  3. Step 3: Cross multiply
    4,081.26x = 6,121.68 × 1,159.18
  4. Step 4: Simplify right side
    4,081.26x = 7,096,129.02
  5. Step 5: Solve for x
    x = 7,096,129.02/4,081.26
  6. Step 6: Final answer
    x = 1,738.71

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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.