Home / 2,789.73-4,185.24-940.80

Finding the Fourth Proportional to 2,789.73, 4,185.24 and 940.80

Calculator

Solution

The fourth proportional to 2,789.73, 4,185.24 and 940.80 is: 1,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.73 : 4,185.24 = 940.80 : x
  2. Step 2: Convert to fraction form
    2,789.73/4,185.24 = 940.80/x
  3. Step 3: Cross multiply
    2,789.73x = 4,185.24 × 940.80
  4. Step 4: Simplify right side
    2,789.73x = 3,937,473.79
  5. Step 5: Solve for x
    x = 3,937,473.79/2,789.73
  6. Step 6: Final answer
    x = 1,411.42

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.