Home / 2,831.02-3,907.83-2,306.14

Finding the Fourth Proportional to 2,831.02, 3,907.83 and 2,306.14

Calculator

Solution

The fourth proportional to 2,831.02, 3,907.83 and 2,306.14 is: 3,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.02 : 3,907.83 = 2,306.14 : x
  2. Step 2: Convert to fraction form
    2,831.02/3,907.83 = 2,306.14/x
  3. Step 3: Cross multiply
    2,831.02x = 3,907.83 × 2,306.14
  4. Step 4: Simplify right side
    2,831.02x = 9,012,003.08
  5. Step 5: Solve for x
    x = 9,012,003.08/2,831.02
  6. Step 6: Final answer
    x = 3,183.31

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.