Home / 3,199.88-4,401.96-2,609.12

Finding the Fourth Proportional to 3,199.88, 4,401.96 and 2,609.12

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Solution

The fourth proportional to 3,199.88, 4,401.96 and 2,609.12 is: 3,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.88 : 4,401.96 = 2,609.12 : x
  2. Step 2: Convert to fraction form
    3,199.88/4,401.96 = 2,609.12/x
  3. Step 3: Cross multiply
    3,199.88x = 4,401.96 × 2,609.12
  4. Step 4: Simplify right side
    3,199.88x = 11,485,241.88
  5. Step 5: Solve for x
    x = 11,485,241.88/3,199.88
  6. Step 6: Final answer
    x = 3,589.27

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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.