Home / 3,469.38-5,205.69-2,170.14

Finding the Fourth Proportional to 3,469.38, 5,205.69 and 2,170.14

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Solution

The fourth proportional to 3,469.38, 5,205.69 and 2,170.14 is: 3,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.38 : 5,205.69 = 2,170.14 : x
  2. Step 2: Convert to fraction form
    3,469.38/5,205.69 = 2,170.14/x
  3. Step 3: Cross multiply
    3,469.38x = 5,205.69 × 2,170.14
  4. Step 4: Simplify right side
    3,469.38x = 11,297,076.10
  5. Step 5: Solve for x
    x = 11,297,076.10/3,469.38
  6. Step 6: Final answer
    x = 3,256.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.