Home / 4,081.39-6,120.87-2,132.53

Finding the Fourth Proportional to 4,081.39, 6,120.87 and 2,132.53

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Solution

The fourth proportional to 4,081.39, 6,120.87 and 2,132.53 is: 3,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.39 : 6,120.87 = 2,132.53 : x
  2. Step 2: Convert to fraction form
    4,081.39/6,120.87 = 2,132.53/x
  3. Step 3: Cross multiply
    4,081.39x = 6,120.87 × 2,132.53
  4. Step 4: Simplify right side
    4,081.39x = 13,052,915.60
  5. Step 5: Solve for x
    x = 13,052,915.60/4,081.39
  6. Step 6: Final answer
    x = 3,198.16

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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.