Home / 3,222.66-4,447.53-2,697.78

Finding the Fourth Proportional to 3,222.66, 4,447.53 and 2,697.78

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Solution

The fourth proportional to 3,222.66, 4,447.53 and 2,697.78 is: 3,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.66 : 4,447.53 = 2,697.78 : x
  2. Step 2: Convert to fraction form
    3,222.66/4,447.53 = 2,697.78/x
  3. Step 3: Cross multiply
    3,222.66x = 4,447.53 × 2,697.78
  4. Step 4: Simplify right side
    3,222.66x = 11,998,457.48
  5. Step 5: Solve for x
    x = 11,998,457.48/3,222.66
  6. Step 6: Final answer
    x = 3,723.15

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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.