Home / 2,721.71-3,755.86-1,542.83

Finding the Fourth Proportional to 2,721.71, 3,755.86 and 1,542.83

Calculator

Solution

The fourth proportional to 2,721.71, 3,755.86 and 1,542.83 is: 2,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.71 : 3,755.86 = 1,542.83 : x
  2. Step 2: Convert to fraction form
    2,721.71/3,755.86 = 1,542.83/x
  3. Step 3: Cross multiply
    2,721.71x = 3,755.86 × 1,542.83
  4. Step 4: Simplify right side
    2,721.71x = 5,794,630.85
  5. Step 5: Solve for x
    x = 5,794,630.85/2,721.71
  6. Step 6: Final answer
    x = 2,129.04

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.