Home / 3,222.13-4,447.17-1,896.97

Finding the Fourth Proportional to 3,222.13, 4,447.17 and 1,896.97

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Solution

The fourth proportional to 3,222.13, 4,447.17 and 1,896.97 is: 2,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.13 : 4,447.17 = 1,896.97 : x
  2. Step 2: Convert to fraction form
    3,222.13/4,447.17 = 1,896.97/x
  3. Step 3: Cross multiply
    3,222.13x = 4,447.17 × 1,896.97
  4. Step 4: Simplify right side
    3,222.13x = 8,436,148.07
  5. Step 5: Solve for x
    x = 8,436,148.07/3,222.13
  6. Step 6: Final answer
    x = 2,618.19

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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.