Home / 2,789.94-3,849.68-1,610.78

Finding the Fourth Proportional to 2,789.94, 3,849.68 and 1,610.78

Calculator

Solution

The fourth proportional to 2,789.94, 3,849.68 and 1,610.78 is: 2,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.94 : 3,849.68 = 1,610.78 : x
  2. Step 2: Convert to fraction form
    2,789.94/3,849.68 = 1,610.78/x
  3. Step 3: Cross multiply
    2,789.94x = 3,849.68 × 1,610.78
  4. Step 4: Simplify right side
    2,789.94x = 6,200,987.55
  5. Step 5: Solve for x
    x = 6,200,987.55/2,789.94
  6. Step 6: Final answer
    x = 2,222.62

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.