Home / 2,180.18-3,008.67-1,185.46

Finding the Fourth Proportional to 2,180.18, 3,008.67 and 1,185.46

Calculator

Solution

The fourth proportional to 2,180.18, 3,008.67 and 1,185.46 is: 1,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.18 : 3,008.67 = 1,185.46 : x
  2. Step 2: Convert to fraction form
    2,180.18/3,008.67 = 1,185.46/x
  3. Step 3: Cross multiply
    2,180.18x = 3,008.67 × 1,185.46
  4. Step 4: Simplify right side
    2,180.18x = 3,566,657.94
  5. Step 5: Solve for x
    x = 3,566,657.94/2,180.18
  6. Step 6: Final answer
    x = 1,635.95

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.