Home / 3,961.68-5,937.66-2,869.80

Finding the Fourth Proportional to 3,961.68, 5,937.66 and 2,869.80

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Solution

The fourth proportional to 3,961.68, 5,937.66 and 2,869.80 is: 4,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.68 : 5,937.66 = 2,869.80 : x
  2. Step 2: Convert to fraction form
    3,961.68/5,937.66 = 2,869.80/x
  3. Step 3: Cross multiply
    3,961.68x = 5,937.66 × 2,869.80
  4. Step 4: Simplify right side
    3,961.68x = 17,039,896.67
  5. Step 5: Solve for x
    x = 17,039,896.67/3,961.68
  6. Step 6: Final answer
    x = 4,301.18

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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.