Home / 3,850.74-5,769.63-2,749.68

Finding the Fourth Proportional to 3,850.74, 5,769.63 and 2,749.68

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Solution

The fourth proportional to 3,850.74, 5,769.63 and 2,749.68 is: 4,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.74 : 5,769.63 = 2,749.68 : x
  2. Step 2: Convert to fraction form
    3,850.74/5,769.63 = 2,749.68/x
  3. Step 3: Cross multiply
    3,850.74x = 5,769.63 × 2,749.68
  4. Step 4: Simplify right side
    3,850.74x = 15,864,636.22
  5. Step 5: Solve for x
    x = 15,864,636.22/3,850.74
  6. Step 6: Final answer
    x = 4,119.89

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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.