Home / 3,845.76-5,768.36-2,197.14

Finding the Fourth Proportional to 3,845.76, 5,768.36 and 2,197.14

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Solution

The fourth proportional to 3,845.76, 5,768.36 and 2,197.14 is: 3,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.76 : 5,768.36 = 2,197.14 : x
  2. Step 2: Convert to fraction form
    3,845.76/5,768.36 = 2,197.14/x
  3. Step 3: Cross multiply
    3,845.76x = 5,768.36 × 2,197.14
  4. Step 4: Simplify right side
    3,845.76x = 12,673,865.65
  5. Step 5: Solve for x
    x = 12,673,865.65/3,845.76
  6. Step 6: Final answer
    x = 3,295.55

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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.