Home / 2,161.27-3,241.18-844.68

Finding the Fourth Proportional to 2,161.27, 3,241.18 and 844.68

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Solution

The fourth proportional to 2,161.27, 3,241.18 and 844.68 is: 1,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.27 : 3,241.18 = 844.68 : x
  2. Step 2: Convert to fraction form
    2,161.27/3,241.18 = 844.68/x
  3. Step 3: Cross multiply
    2,161.27x = 3,241.18 × 844.68
  4. Step 4: Simplify right side
    2,161.27x = 2,737,750.15
  5. Step 5: Solve for x
    x = 2,737,750.15/2,161.27
  6. Step 6: Final answer
    x = 1,266.73

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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.