Home / 3,222.78-4,447.35-1,896.56

Finding the Fourth Proportional to 3,222.78, 4,447.35 and 1,896.56

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Solution

The fourth proportional to 3,222.78, 4,447.35 and 1,896.56 is: 2,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.78 : 4,447.35 = 1,896.56 : x
  2. Step 2: Convert to fraction form
    3,222.78/4,447.35 = 1,896.56/x
  3. Step 3: Cross multiply
    3,222.78x = 4,447.35 × 1,896.56
  4. Step 4: Simplify right side
    3,222.78x = 8,434,677.23
  5. Step 5: Solve for x
    x = 8,434,677.23/3,222.78
  6. Step 6: Final answer
    x = 2,617.21

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