Home / 3,745.50-5,168.79-2,089.50

Finding the Fourth Proportional to 3,745.50, 5,168.79 and 2,089.50

Calculator

Solution

The fourth proportional to 3,745.50, 5,168.79 and 2,089.50 is: 2,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.50 : 5,168.79 = 2,089.50 : x
  2. Step 2: Convert to fraction form
    3,745.50/5,168.79 = 2,089.50/x
  3. Step 3: Cross multiply
    3,745.50x = 5,168.79 × 2,089.50
  4. Step 4: Simplify right side
    3,745.50x = 10,800,186.71
  5. Step 5: Solve for x
    x = 10,800,186.71/3,745.50
  6. Step 6: Final answer
    x = 2,883.51

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.