Home / 2,279.14-3,419.25-892.60

Finding the Fourth Proportional to 2,279.14, 3,419.25 and 892.60

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Solution

The fourth proportional to 2,279.14, 3,419.25 and 892.60 is: 1,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.14 : 3,419.25 = 892.60 : x
  2. Step 2: Convert to fraction form
    2,279.14/3,419.25 = 892.60/x
  3. Step 3: Cross multiply
    2,279.14x = 3,419.25 × 892.60
  4. Step 4: Simplify right side
    2,279.14x = 3,052,022.55
  5. Step 5: Solve for x
    x = 3,052,022.55/2,279.14
  6. Step 6: Final answer
    x = 1,339.11

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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.