Home / 3,310.38-4,964.49-1,118.70

Finding the Fourth Proportional to 3,310.38, 4,964.49 and 1,118.70

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Solution

The fourth proportional to 3,310.38, 4,964.49 and 1,118.70 is: 1,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.38 : 4,964.49 = 1,118.70 : x
  2. Step 2: Convert to fraction form
    3,310.38/4,964.49 = 1,118.70/x
  3. Step 3: Cross multiply
    3,310.38x = 4,964.49 × 1,118.70
  4. Step 4: Simplify right side
    3,310.38x = 5,553,774.96
  5. Step 5: Solve for x
    x = 5,553,774.96/3,310.38
  6. Step 6: Final answer
    x = 1,677.69

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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.