Home / 2,728.61-4,093.17-1,084.79

Finding the Fourth Proportional to 2,728.61, 4,093.17 and 1,084.79

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Solution

The fourth proportional to 2,728.61, 4,093.17 and 1,084.79 is: 1,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.61 : 4,093.17 = 1,084.79 : x
  2. Step 2: Convert to fraction form
    2,728.61/4,093.17 = 1,084.79/x
  3. Step 3: Cross multiply
    2,728.61x = 4,093.17 × 1,084.79
  4. Step 4: Simplify right side
    2,728.61x = 4,440,209.42
  5. Step 5: Solve for x
    x = 4,440,209.42/2,728.61
  6. Step 6: Final answer
    x = 1,627.28

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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.