Home / 1,791.58-2,685.43-752.15

Finding the Fourth Proportional to 1,791.58, 2,685.43 and 752.15

Calculator

Solution

The fourth proportional to 1,791.58, 2,685.43 and 752.15 is: 1,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.58 : 2,685.43 = 752.15 : x
  2. Step 2: Convert to fraction form
    1,791.58/2,685.43 = 752.15/x
  3. Step 3: Cross multiply
    1,791.58x = 2,685.43 × 752.15
  4. Step 4: Simplify right side
    1,791.58x = 2,019,846.17
  5. Step 5: Solve for x
    x = 2,019,846.17/1,791.58
  6. Step 6: Final answer
    x = 1,127.41

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.