Home / 3,452.40-5,170.32-2,831.76

Finding the Fourth Proportional to 3,452.40, 5,170.32 and 2,831.76

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Solution

The fourth proportional to 3,452.40, 5,170.32 and 2,831.76 is: 4,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.40 : 5,170.32 = 2,831.76 : x
  2. Step 2: Convert to fraction form
    3,452.40/5,170.32 = 2,831.76/x
  3. Step 3: Cross multiply
    3,452.40x = 5,170.32 × 2,831.76
  4. Step 4: Simplify right side
    3,452.40x = 14,641,105.36
  5. Step 5: Solve for x
    x = 14,641,105.36/3,452.40
  6. Step 6: Final answer
    x = 4,240.85

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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.