Home / 3,212.82-4,817.97-1,132.38

Finding the Fourth Proportional to 3,212.82, 4,817.97 and 1,132.38

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Solution

The fourth proportional to 3,212.82, 4,817.97 and 1,132.38 is: 1,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.82 : 4,817.97 = 1,132.38 : x
  2. Step 2: Convert to fraction form
    3,212.82/4,817.97 = 1,132.38/x
  3. Step 3: Cross multiply
    3,212.82x = 4,817.97 × 1,132.38
  4. Step 4: Simplify right side
    3,212.82x = 5,455,772.87
  5. Step 5: Solve for x
    x = 5,455,772.87/3,212.82
  6. Step 6: Final answer
    x = 1,698.13

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1.5x scale

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.