Home / 2,279.60-3,420.22-1,183.94

Finding the Fourth Proportional to 2,279.60, 3,420.22 and 1,183.94

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Solution

The fourth proportional to 2,279.60, 3,420.22 and 1,183.94 is: 1,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.60 : 3,420.22 = 1,183.94 : x
  2. Step 2: Convert to fraction form
    2,279.60/3,420.22 = 1,183.94/x
  3. Step 3: Cross multiply
    2,279.60x = 3,420.22 × 1,183.94
  4. Step 4: Simplify right side
    2,279.60x = 4,049,335.27
  5. Step 5: Solve for x
    x = 4,049,335.27/2,279.60
  6. Step 6: Final answer
    x = 1,776.34

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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.