Home / 3,220.28-4,831.13-1,834.27

Finding the Fourth Proportional to 3,220.28, 4,831.13 and 1,834.27

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Solution

The fourth proportional to 3,220.28, 4,831.13 and 1,834.27 is: 2,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.28 : 4,831.13 = 1,834.27 : x
  2. Step 2: Convert to fraction form
    3,220.28/4,831.13 = 1,834.27/x
  3. Step 3: Cross multiply
    3,220.28x = 4,831.13 × 1,834.27
  4. Step 4: Simplify right side
    3,220.28x = 8,861,596.83
  5. Step 5: Solve for x
    x = 8,861,596.83/3,220.28
  6. Step 6: Final answer
    x = 2,751.81

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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.