Home / 1,447.82-1,995.90-949.59

Finding the Fourth Proportional to 1,447.82, 1,995.90 and 949.59

Calculator

Solution

The fourth proportional to 1,447.82, 1,995.90 and 949.59 is: 1,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.82 : 1,995.90 = 949.59 : x
  2. Step 2: Convert to fraction form
    1,447.82/1,995.90 = 949.59/x
  3. Step 3: Cross multiply
    1,447.82x = 1,995.90 × 949.59
  4. Step 4: Simplify right side
    1,447.82x = 1,895,286.92
  5. Step 5: Solve for x
    x = 1,895,286.92/1,447.82
  6. Step 6: Final answer
    x = 1,309.06

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.