Home / 3,851.52-5,767.68-2,313.60

Finding the Fourth Proportional to 3,851.52, 5,767.68 and 2,313.60

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Solution

The fourth proportional to 3,851.52, 5,767.68 and 2,313.60 is: 3,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.52 : 5,767.68 = 2,313.60 : x
  2. Step 2: Convert to fraction form
    3,851.52/5,767.68 = 2,313.60/x
  3. Step 3: Cross multiply
    3,851.52x = 5,767.68 × 2,313.60
  4. Step 4: Simplify right side
    3,851.52x = 13,344,104.45
  5. Step 5: Solve for x
    x = 13,344,104.45/3,851.52
  6. Step 6: Final answer
    x = 3,464.63

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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.