Home / 1,906.68-2,630.22-1,440.12

Finding the Fourth Proportional to 1,906.68, 2,630.22 and 1,440.12

Calculator

Solution

The fourth proportional to 1,906.68, 2,630.22 and 1,440.12 is: 1,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.68 : 2,630.22 = 1,440.12 : x
  2. Step 2: Convert to fraction form
    1,906.68/2,630.22 = 1,440.12/x
  3. Step 3: Cross multiply
    1,906.68x = 2,630.22 × 1,440.12
  4. Step 4: Simplify right side
    1,906.68x = 3,787,832.43
  5. Step 5: Solve for x
    x = 3,787,832.43/1,906.68
  6. Step 6: Final answer
    x = 1,986.61

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.