Home / 1,481.28-2,223.27-751.38

Finding the Fourth Proportional to 1,481.28, 2,223.27 and 751.38

Calculator

Solution

The fourth proportional to 1,481.28, 2,223.27 and 751.38 is: 1,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.28 : 2,223.27 = 751.38 : x
  2. Step 2: Convert to fraction form
    1,481.28/2,223.27 = 751.38/x
  3. Step 3: Cross multiply
    1,481.28x = 2,223.27 × 751.38
  4. Step 4: Simplify right side
    1,481.28x = 1,670,509.50
  5. Step 5: Solve for x
    x = 1,670,509.50/1,481.28
  6. Step 6: Final answer
    x = 1,127.75

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.