Home / 3,229.31-4,456.55-1,904.15

Finding the Fourth Proportional to 3,229.31, 4,456.55 and 1,904.15

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Solution

The fourth proportional to 3,229.31, 4,456.55 and 1,904.15 is: 2,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.31 : 4,456.55 = 1,904.15 : x
  2. Step 2: Convert to fraction form
    3,229.31/4,456.55 = 1,904.15/x
  3. Step 3: Cross multiply
    3,229.31x = 4,456.55 × 1,904.15
  4. Step 4: Simplify right side
    3,229.31x = 8,485,955.58
  5. Step 5: Solve for x
    x = 8,485,955.58/3,229.31
  6. Step 6: Final answer
    x = 2,627.79

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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.