Home / 3,604.40-4,974.11-2,168.56

Finding the Fourth Proportional to 3,604.40, 4,974.11 and 2,168.56

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Solution

The fourth proportional to 3,604.40, 4,974.11 and 2,168.56 is: 2,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.40 : 4,974.11 = 2,168.56 : x
  2. Step 2: Convert to fraction form
    3,604.40/4,974.11 = 2,168.56/x
  3. Step 3: Cross multiply
    3,604.40x = 4,974.11 × 2,168.56
  4. Step 4: Simplify right side
    3,604.40x = 10,786,632.70
  5. Step 5: Solve for x
    x = 10,786,632.70/3,604.40
  6. Step 6: Final answer
    x = 2,992.63

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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.