Home / 1,454.21-2,006.82-791.07

Finding the Fourth Proportional to 1,454.21, 2,006.82 and 791.07

Calculator

Solution

The fourth proportional to 1,454.21, 2,006.82 and 791.07 is: 1,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.21 : 2,006.82 = 791.07 : x
  2. Step 2: Convert to fraction form
    1,454.21/2,006.82 = 791.07/x
  3. Step 3: Cross multiply
    1,454.21x = 2,006.82 × 791.07
  4. Step 4: Simplify right side
    1,454.21x = 1,587,535.10
  5. Step 5: Solve for x
    x = 1,587,535.10/1,454.21
  6. Step 6: Final answer
    x = 1,091.68

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.