Home / 3,849-5,769.45-2,750.10

Finding the Fourth Proportional to 3,849, 5,769.45 and 2,750.10

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Solution

The fourth proportional to 3,849, 5,769.45 and 2,750.10 is: 4,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849 : 5,769.45 = 2,750.10 : x
  2. Step 2: Convert to fraction form
    3,849/5,769.45 = 2,750.10/x
  3. Step 3: Cross multiply
    3,849x = 5,769.45 × 2,750.10
  4. Step 4: Simplify right side
    3,849x = 15,866,564.45
  5. Step 5: Solve for x
    x = 15,866,564.45/3,849
  6. Step 6: Final answer
    x = 4,122.26

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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.