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Finding the Fourth Proportional to 3,908.28, 5,869.38 and 3,751.68

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Solution

The fourth proportional to 3,908.28, 5,869.38 and 3,751.68 is: 5,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.28 : 5,869.38 = 3,751.68 : x
  2. Step 2: Convert to fraction form
    3,908.28/5,869.38 = 3,751.68/x
  3. Step 3: Cross multiply
    3,908.28x = 5,869.38 × 3,751.68
  4. Step 4: Simplify right side
    3,908.28x = 22,020,035.56
  5. Step 5: Solve for x
    x = 22,020,035.56/3,908.28
  6. Step 6: Final answer
    x = 5,634.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.