Home / 3,996.33-5,514.91-2,318.07

Finding the Fourth Proportional to 3,996.33, 5,514.91 and 2,318.07

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Solution

The fourth proportional to 3,996.33, 5,514.91 and 2,318.07 is: 3,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.33 : 5,514.91 = 2,318.07 : x
  2. Step 2: Convert to fraction form
    3,996.33/5,514.91 = 2,318.07/x
  3. Step 3: Cross multiply
    3,996.33x = 5,514.91 × 2,318.07
  4. Step 4: Simplify right side
    3,996.33x = 12,783,947.42
  5. Step 5: Solve for x
    x = 12,783,947.42/3,996.33
  6. Step 6: Final answer
    x = 3,198.92

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1.5x scale

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.