Home / 3,764.68-5,647.86-1,132.42

Finding the Fourth Proportional to 3,764.68, 5,647.86 and 1,132.42

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Solution

The fourth proportional to 3,764.68, 5,647.86 and 1,132.42 is: 1,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.68 : 5,647.86 = 1,132.42 : x
  2. Step 2: Convert to fraction form
    3,764.68/5,647.86 = 1,132.42/x
  3. Step 3: Cross multiply
    3,764.68x = 5,647.86 × 1,132.42
  4. Step 4: Simplify right side
    3,764.68x = 6,395,749.62
  5. Step 5: Solve for x
    x = 6,395,749.62/3,764.68
  6. Step 6: Final answer
    x = 1,698.88

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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.