Home / 4,172.18-5,757.09-2,309.54

Finding the Fourth Proportional to 4,172.18, 5,757.09 and 2,309.54

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Solution

The fourth proportional to 4,172.18, 5,757.09 and 2,309.54 is: 3,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.18 : 5,757.09 = 2,309.54 : x
  2. Step 2: Convert to fraction form
    4,172.18/5,757.09 = 2,309.54/x
  3. Step 3: Cross multiply
    4,172.18x = 5,757.09 × 2,309.54
  4. Step 4: Simplify right side
    4,172.18x = 13,296,229.64
  5. Step 5: Solve for x
    x = 13,296,229.64/4,172.18
  6. Step 6: Final answer
    x = 3,186.88

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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.