Home / 2,728.72-4,093.35-1,084.90

Finding the Fourth Proportional to 2,728.72, 4,093.35 and 1,084.90

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Solution

The fourth proportional to 2,728.72, 4,093.35 and 1,084.90 is: 1,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.72 : 4,093.35 = 1,084.90 : x
  2. Step 2: Convert to fraction form
    2,728.72/4,093.35 = 1,084.90/x
  3. Step 3: Cross multiply
    2,728.72x = 4,093.35 × 1,084.90
  4. Step 4: Simplify right side
    2,728.72x = 4,440,869.99
  5. Step 5: Solve for x
    x = 4,440,869.99/2,728.72
  6. Step 6: Final answer
    x = 1,627.46

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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.