Home / 4,172.56-5,757.96-2,309.44

Finding the Fourth Proportional to 4,172.56, 5,757.96 and 2,309.44

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Solution

The fourth proportional to 4,172.56, 5,757.96 and 2,309.44 is: 3,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.56 : 5,757.96 = 2,309.44 : x
  2. Step 2: Convert to fraction form
    4,172.56/5,757.96 = 2,309.44/x
  3. Step 3: Cross multiply
    4,172.56x = 5,757.96 × 2,309.44
  4. Step 4: Simplify right side
    4,172.56x = 13,297,663.14
  5. Step 5: Solve for x
    x = 13,297,663.14/4,172.56
  6. Step 6: Final answer
    x = 3,186.93

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1.5x scale

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.