Home / 3,448.82-5,173.23-851.75

Finding the Fourth Proportional to 3,448.82, 5,173.23 and 851.75

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Solution

The fourth proportional to 3,448.82, 5,173.23 and 851.75 is: 1,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.82 : 5,173.23 = 851.75 : x
  2. Step 2: Convert to fraction form
    3,448.82/5,173.23 = 851.75/x
  3. Step 3: Cross multiply
    3,448.82x = 5,173.23 × 851.75
  4. Step 4: Simplify right side
    3,448.82x = 4,406,272.79
  5. Step 5: Solve for x
    x = 4,406,272.79/3,448.82
  6. Step 6: Final answer
    x = 1,277.62

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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.