Home / 3,221.87-4,833.09-1,273.61

Finding the Fourth Proportional to 3,221.87, 4,833.09 and 1,273.61

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Solution

The fourth proportional to 3,221.87, 4,833.09 and 1,273.61 is: 1,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.87 : 4,833.09 = 1,273.61 : x
  2. Step 2: Convert to fraction form
    3,221.87/4,833.09 = 1,273.61/x
  3. Step 3: Cross multiply
    3,221.87x = 4,833.09 × 1,273.61
  4. Step 4: Simplify right side
    3,221.87x = 6,155,447.59
  5. Step 5: Solve for x
    x = 6,155,447.59/3,221.87
  6. Step 6: Final answer
    x = 1,910.52

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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.