Home / 3,744.27-5,168.16-2,172.06

Finding the Fourth Proportional to 3,744.27, 5,168.16 and 2,172.06

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Solution

The fourth proportional to 3,744.27, 5,168.16 and 2,172.06 is: 2,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.27 : 5,168.16 = 2,172.06 : x
  2. Step 2: Convert to fraction form
    3,744.27/5,168.16 = 2,172.06/x
  3. Step 3: Cross multiply
    3,744.27x = 5,168.16 × 2,172.06
  4. Step 4: Simplify right side
    3,744.27x = 11,225,553.61
  5. Step 5: Solve for x
    x = 11,225,553.61/3,744.27
  6. Step 6: Final answer
    x = 2,998.06

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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.