Home / 3,771.68-5,657.31-998.44

Finding the Fourth Proportional to 3,771.68, 5,657.31 and 998.44

Calculator

Solution

The fourth proportional to 3,771.68, 5,657.31 and 998.44 is: 1,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.68 : 5,657.31 = 998.44 : x
  2. Step 2: Convert to fraction form
    3,771.68/5,657.31 = 998.44/x
  3. Step 3: Cross multiply
    3,771.68x = 5,657.31 × 998.44
  4. Step 4: Simplify right side
    3,771.68x = 5,648,470.45
  5. Step 5: Solve for x
    x = 5,648,470.45/3,771.68
  6. Step 6: Final answer
    x = 1,497.60

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.