Home / 2,691.89-4,034.84-1,131.43

Finding the Fourth Proportional to 2,691.89, 4,034.84 and 1,131.43

Calculator

Solution

The fourth proportional to 2,691.89, 4,034.84 and 1,131.43 is: 1,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.89 : 4,034.84 = 1,131.43 : x
  2. Step 2: Convert to fraction form
    2,691.89/4,034.84 = 1,131.43/x
  3. Step 3: Cross multiply
    2,691.89x = 4,034.84 × 1,131.43
  4. Step 4: Simplify right side
    2,691.89x = 4,565,146.86
  5. Step 5: Solve for x
    x = 4,565,146.86/2,691.89
  6. Step 6: Final answer
    x = 1,695.89

Related Problems

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.