Home / 3,769.92-5,202.72-2,176.80

Finding the Fourth Proportional to 3,769.92, 5,202.72 and 2,176.80

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Solution

The fourth proportional to 3,769.92, 5,202.72 and 2,176.80 is: 3,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.92 : 5,202.72 = 2,176.80 : x
  2. Step 2: Convert to fraction form
    3,769.92/5,202.72 = 2,176.80/x
  3. Step 3: Cross multiply
    3,769.92x = 5,202.72 × 2,176.80
  4. Step 4: Simplify right side
    3,769.92x = 11,325,280.90
  5. Step 5: Solve for x
    x = 11,325,280.90/3,769.92
  6. Step 6: Final answer
    x = 3,004.12

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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.