Home / 3,571.68-5,348.21-2,874.54

Finding the Fourth Proportional to 3,571.68, 5,348.21 and 2,874.54

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Solution

The fourth proportional to 3,571.68, 5,348.21 and 2,874.54 is: 4,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.68 : 5,348.21 = 2,874.54 : x
  2. Step 2: Convert to fraction form
    3,571.68/5,348.21 = 2,874.54/x
  3. Step 3: Cross multiply
    3,571.68x = 5,348.21 × 2,874.54
  4. Step 4: Simplify right side
    3,571.68x = 15,373,629.20
  5. Step 5: Solve for x
    x = 15,373,629.20/3,571.68
  6. Step 6: Final answer
    x = 4,304.31

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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.