Home / 2,279.22-3,418.66-1,351.86

Finding the Fourth Proportional to 2,279.22, 3,418.66 and 1,351.86

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Solution

The fourth proportional to 2,279.22, 3,418.66 and 1,351.86 is: 2,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.22 : 3,418.66 = 1,351.86 : x
  2. Step 2: Convert to fraction form
    2,279.22/3,418.66 = 1,351.86/x
  3. Step 3: Cross multiply
    2,279.22x = 3,418.66 × 1,351.86
  4. Step 4: Simplify right side
    2,279.22x = 4,621,549.71
  5. Step 5: Solve for x
    x = 4,621,549.71/2,279.22
  6. Step 6: Final answer
    x = 2,027.69

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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.