Home / 2,186.75-3,273.60-1,487.90

Finding the Fourth Proportional to 2,186.75, 3,273.60 and 1,487.90

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Solution

The fourth proportional to 2,186.75, 3,273.60 and 1,487.90 is: 2,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.75 : 3,273.60 = 1,487.90 : x
  2. Step 2: Convert to fraction form
    2,186.75/3,273.60 = 1,487.90/x
  3. Step 3: Cross multiply
    2,186.75x = 3,273.60 × 1,487.90
  4. Step 4: Simplify right side
    2,186.75x = 4,870,789.44
  5. Step 5: Solve for x
    x = 4,870,789.44/2,186.75
  6. Step 6: Final answer
    x = 2,227.41

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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.