Home / 3,227.83-4,454.73-1,969.73

Finding the Fourth Proportional to 3,227.83, 4,454.73 and 1,969.73

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Solution

The fourth proportional to 3,227.83, 4,454.73 and 1,969.73 is: 2,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.83 : 4,454.73 = 1,969.73 : x
  2. Step 2: Convert to fraction form
    3,227.83/4,454.73 = 1,969.73/x
  3. Step 3: Cross multiply
    3,227.83x = 4,454.73 × 1,969.73
  4. Step 4: Simplify right side
    3,227.83x = 8,774,621.62
  5. Step 5: Solve for x
    x = 8,774,621.62/3,227.83
  6. Step 6: Final answer
    x = 2,718.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.