Home / 2,728.28-4,093.34-1,084.39

Finding the Fourth Proportional to 2,728.28, 4,093.34 and 1,084.39

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Solution

The fourth proportional to 2,728.28, 4,093.34 and 1,084.39 is: 1,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.28 : 4,093.34 = 1,084.39 : x
  2. Step 2: Convert to fraction form
    2,728.28/4,093.34 = 1,084.39/x
  3. Step 3: Cross multiply
    2,728.28x = 4,093.34 × 1,084.39
  4. Step 4: Simplify right side
    2,728.28x = 4,438,761.31
  5. Step 5: Solve for x
    x = 4,438,761.31/2,728.28
  6. Step 6: Final answer
    x = 1,626.94

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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.