Home / 2,193.36-3,286.68-1,369.44

Finding the Fourth Proportional to 2,193.36, 3,286.68 and 1,369.44

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Solution

The fourth proportional to 2,193.36, 3,286.68 and 1,369.44 is: 2,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.36 : 3,286.68 = 1,369.44 : x
  2. Step 2: Convert to fraction form
    2,193.36/3,286.68 = 1,369.44/x
  3. Step 3: Cross multiply
    2,193.36x = 3,286.68 × 1,369.44
  4. Step 4: Simplify right side
    2,193.36x = 4,500,911.06
  5. Step 5: Solve for x
    x = 4,500,911.06/2,193.36
  6. Step 6: Final answer
    x = 2,052.06

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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.