Home / 1,274.25-1,759.20-963.21

Finding the Fourth Proportional to 1,274.25, 1,759.20 and 963.21

Calculator

Solution

The fourth proportional to 1,274.25, 1,759.20 and 963.21 is: 1,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274.25 : 1,759.20 = 963.21 : x
  2. Step 2: Convert to fraction form
    1,274.25/1,759.20 = 963.21/x
  3. Step 3: Cross multiply
    1,274.25x = 1,759.20 × 963.21
  4. Step 4: Simplify right side
    1,274.25x = 1,694,479.03
  5. Step 5: Solve for x
    x = 1,694,479.03/1,274.25
  6. Step 6: Final answer
    x = 1,329.79

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.