Home / 1,432.52-1,976.83-843.09

Finding the Fourth Proportional to 1,432.52, 1,976.83 and 843.09

Calculator

Solution

The fourth proportional to 1,432.52, 1,976.83 and 843.09 is: 1,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.52 : 1,976.83 = 843.09 : x
  2. Step 2: Convert to fraction form
    1,432.52/1,976.83 = 843.09/x
  3. Step 3: Cross multiply
    1,432.52x = 1,976.83 × 843.09
  4. Step 4: Simplify right side
    1,432.52x = 1,666,635.72
  5. Step 5: Solve for x
    x = 1,666,635.72/1,432.52
  6. Step 6: Final answer
    x = 1,163.43

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.