Home / 3,644.30-5,028.53-2,072.09

Finding the Fourth Proportional to 3,644.30, 5,028.53 and 2,072.09

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Solution

The fourth proportional to 3,644.30, 5,028.53 and 2,072.09 is: 2,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.30 : 5,028.53 = 2,072.09 : x
  2. Step 2: Convert to fraction form
    3,644.30/5,028.53 = 2,072.09/x
  3. Step 3: Cross multiply
    3,644.30x = 5,028.53 × 2,072.09
  4. Step 4: Simplify right side
    3,644.30x = 10,419,531.22
  5. Step 5: Solve for x
    x = 10,419,531.22/3,644.30
  6. Step 6: Final answer
    x = 2,859.13

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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.