Home / 3,257.75-4,496.11-1,998.99

Finding the Fourth Proportional to 3,257.75, 4,496.11 and 1,998.99

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Solution

The fourth proportional to 3,257.75, 4,496.11 and 1,998.99 is: 2,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.75 : 4,496.11 = 1,998.99 : x
  2. Step 2: Convert to fraction form
    3,257.75/4,496.11 = 1,998.99/x
  3. Step 3: Cross multiply
    3,257.75x = 4,496.11 × 1,998.99
  4. Step 4: Simplify right side
    3,257.75x = 8,987,673.93
  5. Step 5: Solve for x
    x = 8,987,673.93/3,257.75
  6. Step 6: Final answer
    x = 2,758.86

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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.