Home / 3,467.55-5,201.22-2,081.25

Finding the Fourth Proportional to 3,467.55, 5,201.22 and 2,081.25

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Solution

The fourth proportional to 3,467.55, 5,201.22 and 2,081.25 is: 3,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.55 : 5,201.22 = 2,081.25 : x
  2. Step 2: Convert to fraction form
    3,467.55/5,201.22 = 2,081.25/x
  3. Step 3: Cross multiply
    3,467.55x = 5,201.22 × 2,081.25
  4. Step 4: Simplify right side
    3,467.55x = 10,825,039.13
  5. Step 5: Solve for x
    x = 10,825,039.13/3,467.55
  6. Step 6: Final answer
    x = 3,121.81

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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.