Home / 2,132.14-3,198.76-1,357.64

Finding the Fourth Proportional to 2,132.14, 3,198.76 and 1,357.64

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Solution

The fourth proportional to 2,132.14, 3,198.76 and 1,357.64 is: 2,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.14 : 3,198.76 = 1,357.64 : x
  2. Step 2: Convert to fraction form
    2,132.14/3,198.76 = 1,357.64/x
  3. Step 3: Cross multiply
    2,132.14x = 3,198.76 × 1,357.64
  4. Step 4: Simplify right side
    2,132.14x = 4,342,764.53
  5. Step 5: Solve for x
    x = 4,342,764.53/2,132.14
  6. Step 6: Final answer
    x = 2,036.81

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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.