Home / 3,239.82-4,468.84-1,912.43

Finding the Fourth Proportional to 3,239.82, 4,468.84 and 1,912.43

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Solution

The fourth proportional to 3,239.82, 4,468.84 and 1,912.43 is: 2,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.82 : 4,468.84 = 1,912.43 : x
  2. Step 2: Convert to fraction form
    3,239.82/4,468.84 = 1,912.43/x
  3. Step 3: Cross multiply
    3,239.82x = 4,468.84 × 1,912.43
  4. Step 4: Simplify right side
    3,239.82x = 8,546,350.07
  5. Step 5: Solve for x
    x = 8,546,350.07/3,239.82
  6. Step 6: Final answer
    x = 2,637.91

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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.