Home / 3,769.20-5,199.39-2,196.99

Finding the Fourth Proportional to 3,769.20, 5,199.39 and 2,196.99

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Solution

The fourth proportional to 3,769.20, 5,199.39 and 2,196.99 is: 3,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.20 : 5,199.39 = 2,196.99 : x
  2. Step 2: Convert to fraction form
    3,769.20/5,199.39 = 2,196.99/x
  3. Step 3: Cross multiply
    3,769.20x = 5,199.39 × 2,196.99
  4. Step 4: Simplify right side
    3,769.20x = 11,423,007.84
  5. Step 5: Solve for x
    x = 11,423,007.84/3,769.20
  6. Step 6: Final answer
    x = 3,030.62

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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.