Home / 3,448.62-5,172.87-1,257.33

Finding the Fourth Proportional to 3,448.62, 5,172.87 and 1,257.33

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Solution

The fourth proportional to 3,448.62, 5,172.87 and 1,257.33 is: 1,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.62 : 5,172.87 = 1,257.33 : x
  2. Step 2: Convert to fraction form
    3,448.62/5,172.87 = 1,257.33/x
  3. Step 3: Cross multiply
    3,448.62x = 5,172.87 × 1,257.33
  4. Step 4: Simplify right side
    3,448.62x = 6,504,004.64
  5. Step 5: Solve for x
    x = 6,504,004.64/3,448.62
  6. Step 6: Final answer
    x = 1,885.97

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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.