Home / 2,761.78-3,811.23-1,502.82

Finding the Fourth Proportional to 2,761.78, 3,811.23 and 1,502.82

Calculator

Solution

The fourth proportional to 2,761.78, 3,811.23 and 1,502.82 is: 2,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.78 : 3,811.23 = 1,502.82 : x
  2. Step 2: Convert to fraction form
    2,761.78/3,811.23 = 1,502.82/x
  3. Step 3: Cross multiply
    2,761.78x = 3,811.23 × 1,502.82
  4. Step 4: Simplify right side
    2,761.78x = 5,727,566.10
  5. Step 5: Solve for x
    x = 5,727,566.10/2,761.78
  6. Step 6: Final answer
    x = 2,073.87

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.