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Finding the Fourth Proportional to 3,224.69, 4,837.04 and 2,128.80

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Solution

The fourth proportional to 3,224.69, 4,837.04 and 2,128.80 is: 3,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.69 : 4,837.04 = 2,128.80 : x
  2. Step 2: Convert to fraction form
    3,224.69/4,837.04 = 2,128.80/x
  3. Step 3: Cross multiply
    3,224.69x = 4,837.04 × 2,128.80
  4. Step 4: Simplify right side
    3,224.69x = 10,297,105.42
  5. Step 5: Solve for x
    x = 10,297,105.42/3,224.69
  6. Step 6: Final answer
    x = 3,193.20

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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.