Home / 2,286.66-3,429.28-1,190.43

Finding the Fourth Proportional to 2,286.66, 3,429.28 and 1,190.43

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Solution

The fourth proportional to 2,286.66, 3,429.28 and 1,190.43 is: 1,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.66 : 3,429.28 = 1,190.43 : x
  2. Step 2: Convert to fraction form
    2,286.66/3,429.28 = 1,190.43/x
  3. Step 3: Cross multiply
    2,286.66x = 3,429.28 × 1,190.43
  4. Step 4: Simplify right side
    2,286.66x = 4,082,317.79
  5. Step 5: Solve for x
    x = 4,082,317.79/2,286.66
  6. Step 6: Final answer
    x = 1,785.28

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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.