Home / 1,961.43-2,942.82-986.73

Finding the Fourth Proportional to 1,961.43, 2,942.82 and 986.73

Calculator

Solution

The fourth proportional to 1,961.43, 2,942.82 and 986.73 is: 1,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.43 : 2,942.82 = 986.73 : x
  2. Step 2: Convert to fraction form
    1,961.43/2,942.82 = 986.73/x
  3. Step 3: Cross multiply
    1,961.43x = 2,942.82 × 986.73
  4. Step 4: Simplify right side
    1,961.43x = 2,903,768.78
  5. Step 5: Solve for x
    x = 2,903,768.78/1,961.43
  6. Step 6: Final answer
    x = 1,480.43

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.