Home / 3,704.87-5,111.91-2,212.55

Finding the Fourth Proportional to 3,704.87, 5,111.91 and 2,212.55

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Solution

The fourth proportional to 3,704.87, 5,111.91 and 2,212.55 is: 3,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.87 : 5,111.91 = 2,212.55 : x
  2. Step 2: Convert to fraction form
    3,704.87/5,111.91 = 2,212.55/x
  3. Step 3: Cross multiply
    3,704.87x = 5,111.91 × 2,212.55
  4. Step 4: Simplify right side
    3,704.87x = 11,310,350.08
  5. Step 5: Solve for x
    x = 11,310,350.08/3,704.87
  6. Step 6: Final answer
    x = 3,052.83

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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.