Home / 2,728.47-4,092.97-1,084.65

Finding the Fourth Proportional to 2,728.47, 4,092.97 and 1,084.65

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Solution

The fourth proportional to 2,728.47, 4,092.97 and 1,084.65 is: 1,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.47 : 4,092.97 = 1,084.65 : x
  2. Step 2: Convert to fraction form
    2,728.47/4,092.97 = 1,084.65/x
  3. Step 3: Cross multiply
    2,728.47x = 4,092.97 × 1,084.65
  4. Step 4: Simplify right side
    2,728.47x = 4,439,439.91
  5. Step 5: Solve for x
    x = 4,439,439.91/2,728.47
  6. Step 6: Final answer
    x = 1,627.08

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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.