Home / 3,845.26-5,767.68-1,346.28

Finding the Fourth Proportional to 3,845.26, 5,767.68 and 1,346.28

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Solution

The fourth proportional to 3,845.26, 5,767.68 and 1,346.28 is: 2,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.26 : 5,767.68 = 1,346.28 : x
  2. Step 2: Convert to fraction form
    3,845.26/5,767.68 = 1,346.28/x
  3. Step 3: Cross multiply
    3,845.26x = 5,767.68 × 1,346.28
  4. Step 4: Simplify right side
    3,845.26x = 7,764,912.23
  5. Step 5: Solve for x
    x = 7,764,912.23/3,845.26
  6. Step 6: Final answer
    x = 2,019.35

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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.