Home / 3,704.40-5,109.67-2,211.16

Finding the Fourth Proportional to 3,704.40, 5,109.67 and 2,211.16

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Solution

The fourth proportional to 3,704.40, 5,109.67 and 2,211.16 is: 3,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.40 : 5,109.67 = 2,211.16 : x
  2. Step 2: Convert to fraction form
    3,704.40/5,109.67 = 2,211.16/x
  3. Step 3: Cross multiply
    3,704.40x = 5,109.67 × 2,211.16
  4. Step 4: Simplify right side
    3,704.40x = 11,298,297.92
  5. Step 5: Solve for x
    x = 11,298,297.92/3,704.40
  6. Step 6: Final answer
    x = 3,049.97

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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.