Home / 3,241.88-4,861.83-2,131.25

Finding the Fourth Proportional to 3,241.88, 4,861.83 and 2,131.25

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Solution

The fourth proportional to 3,241.88, 4,861.83 and 2,131.25 is: 3,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.88 : 4,861.83 = 2,131.25 : x
  2. Step 2: Convert to fraction form
    3,241.88/4,861.83 = 2,131.25/x
  3. Step 3: Cross multiply
    3,241.88x = 4,861.83 × 2,131.25
  4. Step 4: Simplify right side
    3,241.88x = 10,361,775.19
  5. Step 5: Solve for x
    x = 10,361,775.19/3,241.88
  6. Step 6: Final answer
    x = 3,196.22

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1.5x scale

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.