Home / 1,338.36-1,847.03-748.86

Finding the Fourth Proportional to 1,338.36, 1,847.03 and 748.86

Calculator

Solution

The fourth proportional to 1,338.36, 1,847.03 and 748.86 is: 1,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338.36 : 1,847.03 = 748.86 : x
  2. Step 2: Convert to fraction form
    1,338.36/1,847.03 = 748.86/x
  3. Step 3: Cross multiply
    1,338.36x = 1,847.03 × 748.86
  4. Step 4: Simplify right side
    1,338.36x = 1,383,166.89
  5. Step 5: Solve for x
    x = 1,383,166.89/1,338.36
  6. Step 6: Final answer
    x = 1,033.48

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.