Home / 1,997.93-2,757.97-1,251.72

Finding the Fourth Proportional to 1,997.93, 2,757.97 and 1,251.72

Calculator

Solution

The fourth proportional to 1,997.93, 2,757.97 and 1,251.72 is: 1,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.93 : 2,757.97 = 1,251.72 : x
  2. Step 2: Convert to fraction form
    1,997.93/2,757.97 = 1,251.72/x
  3. Step 3: Cross multiply
    1,997.93x = 2,757.97 × 1,251.72
  4. Step 4: Simplify right side
    1,997.93x = 3,452,186.16
  5. Step 5: Solve for x
    x = 3,452,186.16/1,997.93
  6. Step 6: Final answer
    x = 1,727.89

Related Problems

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.