Home / 3,279.12-4,919.58-2,458.98

Finding the Fourth Proportional to 3,279.12, 4,919.58 and 2,458.98

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Solution

The fourth proportional to 3,279.12, 4,919.58 and 2,458.98 is: 3,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.12 : 4,919.58 = 2,458.98 : x
  2. Step 2: Convert to fraction form
    3,279.12/4,919.58 = 2,458.98/x
  3. Step 3: Cross multiply
    3,279.12x = 4,919.58 × 2,458.98
  4. Step 4: Simplify right side
    3,279.12x = 12,097,148.83
  5. Step 5: Solve for x
    x = 12,097,148.83/3,279.12
  6. Step 6: Final answer
    x = 3,689.14

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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.