Home / 3,847.28-5,771.52-1,349.14

Finding the Fourth Proportional to 3,847.28, 5,771.52 and 1,349.14

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Solution

The fourth proportional to 3,847.28, 5,771.52 and 1,349.14 is: 2,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.28 : 5,771.52 = 1,349.14 : x
  2. Step 2: Convert to fraction form
    3,847.28/5,771.52 = 1,349.14/x
  3. Step 3: Cross multiply
    3,847.28x = 5,771.52 × 1,349.14
  4. Step 4: Simplify right side
    3,847.28x = 7,786,588.49
  5. Step 5: Solve for x
    x = 7,786,588.49/3,847.28
  6. Step 6: Final answer
    x = 2,023.92

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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.