Home / 3,241.15-4,860.60-1,391.11

Finding the Fourth Proportional to 3,241.15, 4,860.60 and 1,391.11

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Solution

The fourth proportional to 3,241.15, 4,860.60 and 1,391.11 is: 2,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.15 : 4,860.60 = 1,391.11 : x
  2. Step 2: Convert to fraction form
    3,241.15/4,860.60 = 1,391.11/x
  3. Step 3: Cross multiply
    3,241.15x = 4,860.60 × 1,391.11
  4. Step 4: Simplify right side
    3,241.15x = 6,761,604.96
  5. Step 5: Solve for x
    x = 6,761,604.96/3,241.15
  6. Step 6: Final answer
    x = 2,086.18

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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.