Home / 3,848.56-5,772.68-1,112.56

Finding the Fourth Proportional to 3,848.56, 5,772.68 and 1,112.56

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Solution

The fourth proportional to 3,848.56, 5,772.68 and 1,112.56 is: 1,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.56 : 5,772.68 = 1,112.56 : x
  2. Step 2: Convert to fraction form
    3,848.56/5,772.68 = 1,112.56/x
  3. Step 3: Cross multiply
    3,848.56x = 5,772.68 × 1,112.56
  4. Step 4: Simplify right side
    3,848.56x = 6,422,452.86
  5. Step 5: Solve for x
    x = 6,422,452.86/3,848.56
  6. Step 6: Final answer
    x = 1,668.79

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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.