Home / 3,318.14-4,979.10-1,469.18

Finding the Fourth Proportional to 3,318.14, 4,979.10 and 1,469.18

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Solution

The fourth proportional to 3,318.14, 4,979.10 and 1,469.18 is: 2,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.14 : 4,979.10 = 1,469.18 : x
  2. Step 2: Convert to fraction form
    3,318.14/4,979.10 = 1,469.18/x
  3. Step 3: Cross multiply
    3,318.14x = 4,979.10 × 1,469.18
  4. Step 4: Simplify right side
    3,318.14x = 7,315,194.14
  5. Step 5: Solve for x
    x = 7,315,194.14/3,318.14
  6. Step 6: Final answer
    x = 2,204.61

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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.