Home / 3,644.28-5,028.75-2,072.07

Finding the Fourth Proportional to 3,644.28, 5,028.75 and 2,072.07

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Solution

The fourth proportional to 3,644.28, 5,028.75 and 2,072.07 is: 2,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.28 : 5,028.75 = 2,072.07 : x
  2. Step 2: Convert to fraction form
    3,644.28/5,028.75 = 2,072.07/x
  3. Step 3: Cross multiply
    3,644.28x = 5,028.75 × 2,072.07
  4. Step 4: Simplify right side
    3,644.28x = 10,419,922.01
  5. Step 5: Solve for x
    x = 10,419,922.01/3,644.28
  6. Step 6: Final answer
    x = 2,859.25

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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.