Home / 3,679.29-5,072.22-2,629.53

Finding the Fourth Proportional to 3,679.29, 5,072.22 and 2,629.53

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Solution

The fourth proportional to 3,679.29, 5,072.22 and 2,629.53 is: 3,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.29 : 5,072.22 = 2,629.53 : x
  2. Step 2: Convert to fraction form
    3,679.29/5,072.22 = 2,629.53/x
  3. Step 3: Cross multiply
    3,679.29x = 5,072.22 × 2,629.53
  4. Step 4: Simplify right side
    3,679.29x = 13,337,554.66
  5. Step 5: Solve for x
    x = 13,337,554.66/3,679.29
  6. Step 6: Final answer
    x = 3,625.03

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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.