Home / 2,738.39-4,107.40-1,093.75

Finding the Fourth Proportional to 2,738.39, 4,107.40 and 1,093.75

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Solution

The fourth proportional to 2,738.39, 4,107.40 and 1,093.75 is: 1,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.39 : 4,107.40 = 1,093.75 : x
  2. Step 2: Convert to fraction form
    2,738.39/4,107.40 = 1,093.75/x
  3. Step 3: Cross multiply
    2,738.39x = 4,107.40 × 1,093.75
  4. Step 4: Simplify right side
    2,738.39x = 4,492,455.75
  5. Step 5: Solve for x
    x = 4,492,455.75/2,738.39
  6. Step 6: Final answer
    x = 1,640.55

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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.