Home / 1,806.38-2,708.35-831.95

Finding the Fourth Proportional to 1,806.38, 2,708.35 and 831.95

Calculator

Solution

The fourth proportional to 1,806.38, 2,708.35 and 831.95 is: 1,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.38 : 2,708.35 = 831.95 : x
  2. Step 2: Convert to fraction form
    1,806.38/2,708.35 = 831.95/x
  3. Step 3: Cross multiply
    1,806.38x = 2,708.35 × 831.95
  4. Step 4: Simplify right side
    1,806.38x = 2,253,196.16
  5. Step 5: Solve for x
    x = 2,253,196.16/1,806.38
  6. Step 6: Final answer
    x = 1,247.36

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.