Home / 3,251.82-4,487.67-1,855.02

Finding the Fourth Proportional to 3,251.82, 4,487.67 and 1,855.02

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Solution

The fourth proportional to 3,251.82, 4,487.67 and 1,855.02 is: 2,560.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.82 : 4,487.67 = 1,855.02 : x
  2. Step 2: Convert to fraction form
    3,251.82/4,487.67 = 1,855.02/x
  3. Step 3: Cross multiply
    3,251.82x = 4,487.67 × 1,855.02
  4. Step 4: Simplify right side
    3,251.82x = 8,324,717.60
  5. Step 5: Solve for x
    x = 8,324,717.60/3,251.82
  6. Step 6: Final answer
    x = 2,560.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.