Home / 3,222.85-4,447.71-1,806.46

Finding the Fourth Proportional to 3,222.85, 4,447.71 and 1,806.46

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Solution

The fourth proportional to 3,222.85, 4,447.71 and 1,806.46 is: 2,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.85 : 4,447.71 = 1,806.46 : x
  2. Step 2: Convert to fraction form
    3,222.85/4,447.71 = 1,806.46/x
  3. Step 3: Cross multiply
    3,222.85x = 4,447.71 × 1,806.46
  4. Step 4: Simplify right side
    3,222.85x = 8,034,637.98
  5. Step 5: Solve for x
    x = 8,034,637.98/3,222.85
  6. Step 6: Final answer
    x = 2,493.03

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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.