Home / 3,221.97-4,831.53-1,662.85

Finding the Fourth Proportional to 3,221.97, 4,831.53 and 1,662.85

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Solution

The fourth proportional to 3,221.97, 4,831.53 and 1,662.85 is: 2,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.97 : 4,831.53 = 1,662.85 : x
  2. Step 2: Convert to fraction form
    3,221.97/4,831.53 = 1,662.85/x
  3. Step 3: Cross multiply
    3,221.97x = 4,831.53 × 1,662.85
  4. Step 4: Simplify right side
    3,221.97x = 8,034,109.66
  5. Step 5: Solve for x
    x = 8,034,109.66/3,221.97
  6. Step 6: Final answer
    x = 2,493.54

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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.