Home / 2,993.91-4,131.46-2,111.52

Finding the Fourth Proportional to 2,993.91, 4,131.46 and 2,111.52

Calculator

Solution

The fourth proportional to 2,993.91, 4,131.46 and 2,111.52 is: 2,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.91 : 4,131.46 = 2,111.52 : x
  2. Step 2: Convert to fraction form
    2,993.91/4,131.46 = 2,111.52/x
  3. Step 3: Cross multiply
    2,993.91x = 4,131.46 × 2,111.52
  4. Step 4: Simplify right side
    2,993.91x = 8,723,643.43
  5. Step 5: Solve for x
    x = 8,723,643.43/2,993.91
  6. Step 6: Final answer
    x = 2,913.79

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.