Home / 1,993.77-2,745.81-1,950.72

Finding the Fourth Proportional to 1,993.77, 2,745.81 and 1,950.72

Calculator

Solution

The fourth proportional to 1,993.77, 2,745.81 and 1,950.72 is: 2,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.77 : 2,745.81 = 1,950.72 : x
  2. Step 2: Convert to fraction form
    1,993.77/2,745.81 = 1,950.72/x
  3. Step 3: Cross multiply
    1,993.77x = 2,745.81 × 1,950.72
  4. Step 4: Simplify right side
    1,993.77x = 5,356,306.48
  5. Step 5: Solve for x
    x = 5,356,306.48/1,993.77
  6. Step 6: Final answer
    x = 2,686.52

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.