Home / 2,481.11-3,715.79-2,154.73

Finding the Fourth Proportional to 2,481.11, 3,715.79 and 2,154.73

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Solution

The fourth proportional to 2,481.11, 3,715.79 and 2,154.73 is: 3,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.11 : 3,715.79 = 2,154.73 : x
  2. Step 2: Convert to fraction form
    2,481.11/3,715.79 = 2,154.73/x
  3. Step 3: Cross multiply
    2,481.11x = 3,715.79 × 2,154.73
  4. Step 4: Simplify right side
    2,481.11x = 8,006,524.19
  5. Step 5: Solve for x
    x = 8,006,524.19/2,481.11
  6. Step 6: Final answer
    x = 3,226.99

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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.