Home / 2,892.49-3,992.82-1,831.79

Finding the Fourth Proportional to 2,892.49, 3,992.82 and 1,831.79

Calculator

Solution

The fourth proportional to 2,892.49, 3,992.82 and 1,831.79 is: 2,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.49 : 3,992.82 = 1,831.79 : x
  2. Step 2: Convert to fraction form
    2,892.49/3,992.82 = 1,831.79/x
  3. Step 3: Cross multiply
    2,892.49x = 3,992.82 × 1,831.79
  4. Step 4: Simplify right side
    2,892.49x = 7,314,007.75
  5. Step 5: Solve for x
    x = 7,314,007.75/2,892.49
  6. Step 6: Final answer
    x = 2,528.62

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.