Home / 1,949.11-2,921.70-839.25

Finding the Fourth Proportional to 1,949.11, 2,921.70 and 839.25

Calculator

Solution

The fourth proportional to 1,949.11, 2,921.70 and 839.25 is: 1,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.11 : 2,921.70 = 839.25 : x
  2. Step 2: Convert to fraction form
    1,949.11/2,921.70 = 839.25/x
  3. Step 3: Cross multiply
    1,949.11x = 2,921.70 × 839.25
  4. Step 4: Simplify right side
    1,949.11x = 2,452,048.21
  5. Step 5: Solve for x
    x = 2,452,048.21/1,949.11
  6. Step 6: Final answer
    x = 1,258.03

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.