Home / 2,131.86-2,940.72-1,468.68

Finding the Fourth Proportional to 2,131.86, 2,940.72 and 1,468.68

Calculator

Solution

The fourth proportional to 2,131.86, 2,940.72 and 1,468.68 is: 2,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131.86 : 2,940.72 = 1,468.68 : x
  2. Step 2: Convert to fraction form
    2,131.86/2,940.72 = 1,468.68/x
  3. Step 3: Cross multiply
    2,131.86x = 2,940.72 × 1,468.68
  4. Step 4: Simplify right side
    2,131.86x = 4,318,976.65
  5. Step 5: Solve for x
    x = 4,318,976.65/2,131.86
  6. Step 6: Final answer
    x = 2,025.92

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.