Home / 3,745.14-5,167.71-2,172.93

Finding the Fourth Proportional to 3,745.14, 5,167.71 and 2,172.93

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Solution

The fourth proportional to 3,745.14, 5,167.71 and 2,172.93 is: 2,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.14 : 5,167.71 = 2,172.93 : x
  2. Step 2: Convert to fraction form
    3,745.14/5,167.71 = 2,172.93/x
  3. Step 3: Cross multiply
    3,745.14x = 5,167.71 × 2,172.93
  4. Step 4: Simplify right side
    3,745.14x = 11,229,072.09
  5. Step 5: Solve for x
    x = 11,229,072.09/3,745.14
  6. Step 6: Final answer
    x = 2,998.31

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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.