Home / 2,286.44-3,155.30-1,238.50

Finding the Fourth Proportional to 2,286.44, 3,155.30 and 1,238.50

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Solution

The fourth proportional to 2,286.44, 3,155.30 and 1,238.50 is: 1,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.44 : 3,155.30 = 1,238.50 : x
  2. Step 2: Convert to fraction form
    2,286.44/3,155.30 = 1,238.50/x
  3. Step 3: Cross multiply
    2,286.44x = 3,155.30 × 1,238.50
  4. Step 4: Simplify right side
    2,286.44x = 3,907,839.05
  5. Step 5: Solve for x
    x = 3,907,839.05/2,286.44
  6. Step 6: Final answer
    x = 1,709.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.