Home / 1,100.97-1,649.33-753.48

Finding the Fourth Proportional to 1,100.97, 1,649.33 and 753.48

Calculator

Solution

The fourth proportional to 1,100.97, 1,649.33 and 753.48 is: 1,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.97 : 1,649.33 = 753.48 : x
  2. Step 2: Convert to fraction form
    1,100.97/1,649.33 = 753.48/x
  3. Step 3: Cross multiply
    1,100.97x = 1,649.33 × 753.48
  4. Step 4: Simplify right side
    1,100.97x = 1,242,736.23
  5. Step 5: Solve for x
    x = 1,242,736.23/1,100.97
  6. Step 6: Final answer
    x = 1,128.76

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.