Home / 1,982.27-2,735.57-1,196.78

Finding the Fourth Proportional to 1,982.27, 2,735.57 and 1,196.78

Calculator

Solution

The fourth proportional to 1,982.27, 2,735.57 and 1,196.78 is: 1,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.27 : 2,735.57 = 1,196.78 : x
  2. Step 2: Convert to fraction form
    1,982.27/2,735.57 = 1,196.78/x
  3. Step 3: Cross multiply
    1,982.27x = 2,735.57 × 1,196.78
  4. Step 4: Simplify right side
    1,982.27x = 3,273,864.78
  5. Step 5: Solve for x
    x = 3,273,864.78/1,982.27
  6. Step 6: Final answer
    x = 1,651.57

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.