Home / 3,727.76-5,144.38-2,049.30

Finding the Fourth Proportional to 3,727.76, 5,144.38 and 2,049.30

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Solution

The fourth proportional to 3,727.76, 5,144.38 and 2,049.30 is: 2,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.76 : 5,144.38 = 2,049.30 : x
  2. Step 2: Convert to fraction form
    3,727.76/5,144.38 = 2,049.30/x
  3. Step 3: Cross multiply
    3,727.76x = 5,144.38 × 2,049.30
  4. Step 4: Simplify right side
    3,727.76x = 10,542,372.81
  5. Step 5: Solve for x
    x = 10,542,372.81/3,727.76
  6. Step 6: Final answer
    x = 2,828.08

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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.