Home / 3,982.51-5,976.92-2,134.99

Finding the Fourth Proportional to 3,982.51, 5,976.92 and 2,134.99

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Solution

The fourth proportional to 3,982.51, 5,976.92 and 2,134.99 is: 3,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.51 : 5,976.92 = 2,134.99 : x
  2. Step 2: Convert to fraction form
    3,982.51/5,976.92 = 2,134.99/x
  3. Step 3: Cross multiply
    3,982.51x = 5,976.92 × 2,134.99
  4. Step 4: Simplify right side
    3,982.51x = 12,760,634.55
  5. Step 5: Solve for x
    x = 12,760,634.55/3,982.51
  6. Step 6: Final answer
    x = 3,204.17

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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.