Home / 3,279.73-4,916.85-1,333.30

Finding the Fourth Proportional to 3,279.73, 4,916.85 and 1,333.30

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Solution

The fourth proportional to 3,279.73, 4,916.85 and 1,333.30 is: 1,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.73 : 4,916.85 = 1,333.30 : x
  2. Step 2: Convert to fraction form
    3,279.73/4,916.85 = 1,333.30/x
  3. Step 3: Cross multiply
    3,279.73x = 4,916.85 × 1,333.30
  4. Step 4: Simplify right side
    3,279.73x = 6,555,636.11
  5. Step 5: Solve for x
    x = 6,555,636.11/3,279.73
  6. Step 6: Final answer
    x = 1,998.83

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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.