Home / 3,222.56-4,447.89-2,101.54

Finding the Fourth Proportional to 3,222.56, 4,447.89 and 2,101.54

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Solution

The fourth proportional to 3,222.56, 4,447.89 and 2,101.54 is: 2,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.56 : 4,447.89 = 2,101.54 : x
  2. Step 2: Convert to fraction form
    3,222.56/4,447.89 = 2,101.54/x
  3. Step 3: Cross multiply
    3,222.56x = 4,447.89 × 2,101.54
  4. Step 4: Simplify right side
    3,222.56x = 9,347,418.75
  5. Step 5: Solve for x
    x = 9,347,418.75/3,222.56
  6. Step 6: Final answer
    x = 2,900.62

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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.