Home / 3,747.92-5,172.14-2,069.44

Finding the Fourth Proportional to 3,747.92, 5,172.14 and 2,069.44

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Solution

The fourth proportional to 3,747.92, 5,172.14 and 2,069.44 is: 2,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.92 : 5,172.14 = 2,069.44 : x
  2. Step 2: Convert to fraction form
    3,747.92/5,172.14 = 2,069.44/x
  3. Step 3: Cross multiply
    3,747.92x = 5,172.14 × 2,069.44
  4. Step 4: Simplify right side
    3,747.92x = 10,703,425.64
  5. Step 5: Solve for x
    x = 10,703,425.64/3,747.92
  6. Step 6: Final answer
    x = 2,855.83

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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.