Home / 2,279.91-3,418.74-1,183.98

Finding the Fourth Proportional to 2,279.91, 3,418.74 and 1,183.98

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Solution

The fourth proportional to 2,279.91, 3,418.74 and 1,183.98 is: 1,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.91 : 3,418.74 = 1,183.98 : x
  2. Step 2: Convert to fraction form
    2,279.91/3,418.74 = 1,183.98/x
  3. Step 3: Cross multiply
    2,279.91x = 3,418.74 × 1,183.98
  4. Step 4: Simplify right side
    2,279.91x = 4,047,719.79
  5. Step 5: Solve for x
    x = 4,047,719.79/2,279.91
  6. Step 6: Final answer
    x = 1,775.39

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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.