Home / 2,167.40-3,249.34-1,241.48

Finding the Fourth Proportional to 2,167.40, 3,249.34 and 1,241.48

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Solution

The fourth proportional to 2,167.40, 3,249.34 and 1,241.48 is: 1,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.40 : 3,249.34 = 1,241.48 : x
  2. Step 2: Convert to fraction form
    2,167.40/3,249.34 = 1,241.48/x
  3. Step 3: Cross multiply
    2,167.40x = 3,249.34 × 1,241.48
  4. Step 4: Simplify right side
    2,167.40x = 4,033,990.62
  5. Step 5: Solve for x
    x = 4,033,990.62/2,167.40
  6. Step 6: Final answer
    x = 1,861.21

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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.