Home / 2,728.53-4,089.87-1,084.35

Finding the Fourth Proportional to 2,728.53, 4,089.87 and 1,084.35

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Solution

The fourth proportional to 2,728.53, 4,089.87 and 1,084.35 is: 1,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.53 : 4,089.87 = 1,084.35 : x
  2. Step 2: Convert to fraction form
    2,728.53/4,089.87 = 1,084.35/x
  3. Step 3: Cross multiply
    2,728.53x = 4,089.87 × 1,084.35
  4. Step 4: Simplify right side
    2,728.53x = 4,434,850.53
  5. Step 5: Solve for x
    x = 4,434,850.53/2,728.53
  6. Step 6: Final answer
    x = 1,625.36

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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.