Home / 3,728.82-5,144.68-2,313.56

Finding the Fourth Proportional to 3,728.82, 5,144.68 and 2,313.56

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Solution

The fourth proportional to 3,728.82, 5,144.68 and 2,313.56 is: 3,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.82 : 5,144.68 = 2,313.56 : x
  2. Step 2: Convert to fraction form
    3,728.82/5,144.68 = 2,313.56/x
  3. Step 3: Cross multiply
    3,728.82x = 5,144.68 × 2,313.56
  4. Step 4: Simplify right side
    3,728.82x = 11,902,525.86
  5. Step 5: Solve for x
    x = 11,902,525.86/3,728.82
  6. Step 6: Final answer
    x = 3,192.04

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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.