Home / 3,270.74-4,514.33-2,012.87

Finding the Fourth Proportional to 3,270.74, 4,514.33 and 2,012.87

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Solution

The fourth proportional to 3,270.74, 4,514.33 and 2,012.87 is: 2,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.74 : 4,514.33 = 2,012.87 : x
  2. Step 2: Convert to fraction form
    3,270.74/4,514.33 = 2,012.87/x
  3. Step 3: Cross multiply
    3,270.74x = 4,514.33 × 2,012.87
  4. Step 4: Simplify right side
    3,270.74x = 9,086,775.75
  5. Step 5: Solve for x
    x = 9,086,775.75/3,270.74
  6. Step 6: Final answer
    x = 2,778.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.