Home / 3,743.21-5,591.11-2,912.84

Finding the Fourth Proportional to 3,743.21, 5,591.11 and 2,912.84

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Solution

The fourth proportional to 3,743.21, 5,591.11 and 2,912.84 is: 4,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.21 : 5,591.11 = 2,912.84 : x
  2. Step 2: Convert to fraction form
    3,743.21/5,591.11 = 2,912.84/x
  3. Step 3: Cross multiply
    3,743.21x = 5,591.11 × 2,912.84
  4. Step 4: Simplify right side
    3,743.21x = 16,286,008.85
  5. Step 5: Solve for x
    x = 16,286,008.85/3,743.21
  6. Step 6: Final answer
    x = 4,350.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.