Home / 3,226.88-4,447.92-2,177.12

Finding the Fourth Proportional to 3,226.88, 4,447.92 and 2,177.12

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Solution

The fourth proportional to 3,226.88, 4,447.92 and 2,177.12 is: 3,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.88 : 4,447.92 = 2,177.12 : x
  2. Step 2: Convert to fraction form
    3,226.88/4,447.92 = 2,177.12/x
  3. Step 3: Cross multiply
    3,226.88x = 4,447.92 × 2,177.12
  4. Step 4: Simplify right side
    3,226.88x = 9,683,655.59
  5. Step 5: Solve for x
    x = 9,683,655.59/3,226.88
  6. Step 6: Final answer
    x = 3,000.93

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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.