Home / 3,236.62-4,855.26-1,387.93

Finding the Fourth Proportional to 3,236.62, 4,855.26 and 1,387.93

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Solution

The fourth proportional to 3,236.62, 4,855.26 and 1,387.93 is: 2,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.62 : 4,855.26 = 1,387.93 : x
  2. Step 2: Convert to fraction form
    3,236.62/4,855.26 = 1,387.93/x
  3. Step 3: Cross multiply
    3,236.62x = 4,855.26 × 1,387.93
  4. Step 4: Simplify right side
    3,236.62x = 6,738,761.01
  5. Step 5: Solve for x
    x = 6,738,761.01/3,236.62
  6. Step 6: Final answer
    x = 2,082.04

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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.