Home / 3,544.20-5,318.70-2,081.80

Finding the Fourth Proportional to 3,544.20, 5,318.70 and 2,081.80

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Solution

The fourth proportional to 3,544.20, 5,318.70 and 2,081.80 is: 3,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.20 : 5,318.70 = 2,081.80 : x
  2. Step 2: Convert to fraction form
    3,544.20/5,318.70 = 2,081.80/x
  3. Step 3: Cross multiply
    3,544.20x = 5,318.70 × 2,081.80
  4. Step 4: Simplify right side
    3,544.20x = 11,072,469.66
  5. Step 5: Solve for x
    x = 11,072,469.66/3,544.20
  6. Step 6: Final answer
    x = 3,124.11

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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.