Home / 1,338.22-1,846.76-748.77

Finding the Fourth Proportional to 1,338.22, 1,846.76 and 748.77

Calculator

Solution

The fourth proportional to 1,338.22, 1,846.76 and 748.77 is: 1,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338.22 : 1,846.76 = 748.77 : x
  2. Step 2: Convert to fraction form
    1,338.22/1,846.76 = 748.77/x
  3. Step 3: Cross multiply
    1,338.22x = 1,846.76 × 748.77
  4. Step 4: Simplify right side
    1,338.22x = 1,382,798.49
  5. Step 5: Solve for x
    x = 1,382,798.49/1,338.22
  6. Step 6: Final answer
    x = 1,033.31

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.