Home / 2,286.21-3,429.86-1,190.49

Finding the Fourth Proportional to 2,286.21, 3,429.86 and 1,190.49

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Solution

The fourth proportional to 2,286.21, 3,429.86 and 1,190.49 is: 1,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.21 : 3,429.86 = 1,190.49 : x
  2. Step 2: Convert to fraction form
    2,286.21/3,429.86 = 1,190.49/x
  3. Step 3: Cross multiply
    2,286.21x = 3,429.86 × 1,190.49
  4. Step 4: Simplify right side
    2,286.21x = 4,083,208.08
  5. Step 5: Solve for x
    x = 4,083,208.08/2,286.21
  6. Step 6: Final answer
    x = 1,786.02

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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.