Home / 3,738.06-5,158.68-2,144.22

Finding the Fourth Proportional to 3,738.06, 5,158.68 and 2,144.22

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Solution

The fourth proportional to 3,738.06, 5,158.68 and 2,144.22 is: 2,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.06 : 5,158.68 = 2,144.22 : x
  2. Step 2: Convert to fraction form
    3,738.06/5,158.68 = 2,144.22/x
  3. Step 3: Cross multiply
    3,738.06x = 5,158.68 × 2,144.22
  4. Step 4: Simplify right side
    3,738.06x = 11,061,344.83
  5. Step 5: Solve for x
    x = 11,061,344.83/3,738.06
  6. Step 6: Final answer
    x = 2,959.11

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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.