Home / 2,185.26-3,273.68-1,720.58

Finding the Fourth Proportional to 2,185.26, 3,273.68 and 1,720.58

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Solution

The fourth proportional to 2,185.26, 3,273.68 and 1,720.58 is: 2,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.26 : 3,273.68 = 1,720.58 : x
  2. Step 2: Convert to fraction form
    2,185.26/3,273.68 = 1,720.58/x
  3. Step 3: Cross multiply
    2,185.26x = 3,273.68 × 1,720.58
  4. Step 4: Simplify right side
    2,185.26x = 5,632,628.33
  5. Step 5: Solve for x
    x = 5,632,628.33/2,185.26
  6. Step 6: Final answer
    x = 2,577.56

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1.5x scale

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.