Home / 2,685.97-4,028.87-1,104.64

Finding the Fourth Proportional to 2,685.97, 4,028.87 and 1,104.64

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Solution

The fourth proportional to 2,685.97, 4,028.87 and 1,104.64 is: 1,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.97 : 4,028.87 = 1,104.64 : x
  2. Step 2: Convert to fraction form
    2,685.97/4,028.87 = 1,104.64/x
  3. Step 3: Cross multiply
    2,685.97x = 4,028.87 × 1,104.64
  4. Step 4: Simplify right side
    2,685.97x = 4,450,450.96
  5. Step 5: Solve for x
    x = 4,450,450.96/2,685.97
  6. Step 6: Final answer
    x = 1,656.93

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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.