Home / 3,222.12-4,442.67-2,691.77

Finding the Fourth Proportional to 3,222.12, 4,442.67 and 2,691.77

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Solution

The fourth proportional to 3,222.12, 4,442.67 and 2,691.77 is: 3,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.12 : 4,442.67 = 2,691.77 : x
  2. Step 2: Convert to fraction form
    3,222.12/4,442.67 = 2,691.77/x
  3. Step 3: Cross multiply
    3,222.12x = 4,442.67 × 2,691.77
  4. Step 4: Simplify right side
    3,222.12x = 11,958,656.93
  5. Step 5: Solve for x
    x = 11,958,656.93/3,222.12
  6. Step 6: Final answer
    x = 3,711.43

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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.