Home / 2,279.52-3,416.40-2,255.04

Finding the Fourth Proportional to 2,279.52, 3,416.40 and 2,255.04

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Solution

The fourth proportional to 2,279.52, 3,416.40 and 2,255.04 is: 3,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.52 : 3,416.40 = 2,255.04 : x
  2. Step 2: Convert to fraction form
    2,279.52/3,416.40 = 2,255.04/x
  3. Step 3: Cross multiply
    2,279.52x = 3,416.40 × 2,255.04
  4. Step 4: Simplify right side
    2,279.52x = 7,704,118.66
  5. Step 5: Solve for x
    x = 7,704,118.66/2,279.52
  6. Step 6: Final answer
    x = 3,379.71

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1.5x scale

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.