Home / 3,784.44-5,211.72-3,249.12

Finding the Fourth Proportional to 3,784.44, 5,211.72 and 3,249.12

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Solution

The fourth proportional to 3,784.44, 5,211.72 and 3,249.12 is: 4,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.44 : 5,211.72 = 3,249.12 : x
  2. Step 2: Convert to fraction form
    3,784.44/5,211.72 = 3,249.12/x
  3. Step 3: Cross multiply
    3,784.44x = 5,211.72 × 3,249.12
  4. Step 4: Simplify right side
    3,784.44x = 16,933,503.69
  5. Step 5: Solve for x
    x = 16,933,503.69/3,784.44
  6. Step 6: Final answer
    x = 4,474.51

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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.