Home / 3,279.12-4,916.16-1,633.92

Finding the Fourth Proportional to 3,279.12, 4,916.16 and 1,633.92

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Solution

The fourth proportional to 3,279.12, 4,916.16 and 1,633.92 is: 2,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.12 : 4,916.16 = 1,633.92 : x
  2. Step 2: Convert to fraction form
    3,279.12/4,916.16 = 1,633.92/x
  3. Step 3: Cross multiply
    3,279.12x = 4,916.16 × 1,633.92
  4. Step 4: Simplify right side
    3,279.12x = 8,032,612.15
  5. Step 5: Solve for x
    x = 8,032,612.15/3,279.12
  6. Step 6: Final answer
    x = 2,449.62

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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.