Home / 2,761.33-4,137.94-2,177.73

Finding the Fourth Proportional to 2,761.33, 4,137.94 and 2,177.73

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Solution

The fourth proportional to 2,761.33, 4,137.94 and 2,177.73 is: 3,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.33 : 4,137.94 = 2,177.73 : x
  2. Step 2: Convert to fraction form
    2,761.33/4,137.94 = 2,177.73/x
  3. Step 3: Cross multiply
    2,761.33x = 4,137.94 × 2,177.73
  4. Step 4: Simplify right side
    2,761.33x = 9,011,316.08
  5. Step 5: Solve for x
    x = 9,011,316.08/2,761.33
  6. Step 6: Final answer
    x = 3,263.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.