Home / 2,540.89-3,811.34-896.55

Finding the Fourth Proportional to 2,540.89, 3,811.34 and 896.55

Calculator

Solution

The fourth proportional to 2,540.89, 3,811.34 and 896.55 is: 1,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.89 : 3,811.34 = 896.55 : x
  2. Step 2: Convert to fraction form
    2,540.89/3,811.34 = 896.55/x
  3. Step 3: Cross multiply
    2,540.89x = 3,811.34 × 896.55
  4. Step 4: Simplify right side
    2,540.89x = 3,417,056.88
  5. Step 5: Solve for x
    x = 3,417,056.88/2,540.89
  6. Step 6: Final answer
    x = 1,344.83

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.