Home / 2,279.55-3,422.03-2,263.35

Finding the Fourth Proportional to 2,279.55, 3,422.03 and 2,263.35

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Solution

The fourth proportional to 2,279.55, 3,422.03 and 2,263.35 is: 3,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.55 : 3,422.03 = 2,263.35 : x
  2. Step 2: Convert to fraction form
    2,279.55/3,422.03 = 2,263.35/x
  3. Step 3: Cross multiply
    2,279.55x = 3,422.03 × 2,263.35
  4. Step 4: Simplify right side
    2,279.55x = 7,745,240.28
  5. Step 5: Solve for x
    x = 7,745,240.28/2,279.55
  6. Step 6: Final answer
    x = 3,397.71

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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.