Home / 1,863.82-2,568.90-1,273.33

Finding the Fourth Proportional to 1,863.82, 2,568.90 and 1,273.33

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Solution

The fourth proportional to 1,863.82, 2,568.90 and 1,273.33 is: 1,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.82 : 2,568.90 = 1,273.33 : x
  2. Step 2: Convert to fraction form
    1,863.82/2,568.90 = 1,273.33/x
  3. Step 3: Cross multiply
    1,863.82x = 2,568.90 × 1,273.33
  4. Step 4: Simplify right side
    1,863.82x = 3,271,057.44
  5. Step 5: Solve for x
    x = 3,271,057.44/1,863.82
  6. Step 6: Final answer
    x = 1,755.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.