Home / 3,281.96-4,919.82-2,108.66

Finding the Fourth Proportional to 3,281.96, 4,919.82 and 2,108.66

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Solution

The fourth proportional to 3,281.96, 4,919.82 and 2,108.66 is: 3,160.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.96 : 4,919.82 = 2,108.66 : x
  2. Step 2: Convert to fraction form
    3,281.96/4,919.82 = 2,108.66/x
  3. Step 3: Cross multiply
    3,281.96x = 4,919.82 × 2,108.66
  4. Step 4: Simplify right side
    3,281.96x = 10,374,227.64
  5. Step 5: Solve for x
    x = 10,374,227.64/3,281.96
  6. Step 6: Final answer
    x = 3,160.99

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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.