Home / 3,419.48-5,132.97-2,187.88

Finding the Fourth Proportional to 3,419.48, 5,132.97 and 2,187.88

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Solution

The fourth proportional to 3,419.48, 5,132.97 and 2,187.88 is: 3,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.48 : 5,132.97 = 2,187.88 : x
  2. Step 2: Convert to fraction form
    3,419.48/5,132.97 = 2,187.88/x
  3. Step 3: Cross multiply
    3,419.48x = 5,132.97 × 2,187.88
  4. Step 4: Simplify right side
    3,419.48x = 11,230,309.57
  5. Step 5: Solve for x
    x = 11,230,309.57/3,419.48
  6. Step 6: Final answer
    x = 3,284.21

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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.