Home / 2,327.66-3,212.22-1,279.73

Finding the Fourth Proportional to 2,327.66, 3,212.22 and 1,279.73

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Solution

The fourth proportional to 2,327.66, 3,212.22 and 1,279.73 is: 1,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.66 : 3,212.22 = 1,279.73 : x
  2. Step 2: Convert to fraction form
    2,327.66/3,212.22 = 1,279.73/x
  3. Step 3: Cross multiply
    2,327.66x = 3,212.22 × 1,279.73
  4. Step 4: Simplify right side
    2,327.66x = 4,110,774.30
  5. Step 5: Solve for x
    x = 4,110,774.30/2,327.66
  6. Step 6: Final answer
    x = 1,766.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.