Home / 3,721.14-5,129.46-2,933.82

Finding the Fourth Proportional to 3,721.14, 5,129.46 and 2,933.82

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Solution

The fourth proportional to 3,721.14, 5,129.46 and 2,933.82 is: 4,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.14 : 5,129.46 = 2,933.82 : x
  2. Step 2: Convert to fraction form
    3,721.14/5,129.46 = 2,933.82/x
  3. Step 3: Cross multiply
    3,721.14x = 5,129.46 × 2,933.82
  4. Step 4: Simplify right side
    3,721.14x = 15,048,912.34
  5. Step 5: Solve for x
    x = 15,048,912.34/3,721.14
  6. Step 6: Final answer
    x = 4,044.17

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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.