Home / 3,270.12-4,512.66-1,872.78

Finding the Fourth Proportional to 3,270.12, 4,512.66 and 1,872.78

Calculator

Solution

The fourth proportional to 3,270.12, 4,512.66 and 1,872.78 is: 2,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.12 : 4,512.66 = 1,872.78 : x
  2. Step 2: Convert to fraction form
    3,270.12/4,512.66 = 1,872.78/x
  3. Step 3: Cross multiply
    3,270.12x = 4,512.66 × 1,872.78
  4. Step 4: Simplify right side
    3,270.12x = 8,451,219.39
  5. Step 5: Solve for x
    x = 8,451,219.39/3,270.12
  6. Step 6: Final answer
    x = 2,584.38

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.