Home / 1,793.72-2,687.75-1,383.86

Finding the Fourth Proportional to 1,793.72, 2,687.75 and 1,383.86

Calculator

Solution

The fourth proportional to 1,793.72, 2,687.75 and 1,383.86 is: 2,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.72 : 2,687.75 = 1,383.86 : x
  2. Step 2: Convert to fraction form
    1,793.72/2,687.75 = 1,383.86/x
  3. Step 3: Cross multiply
    1,793.72x = 2,687.75 × 1,383.86
  4. Step 4: Simplify right side
    1,793.72x = 3,719,469.52
  5. Step 5: Solve for x
    x = 3,719,469.52/1,793.72
  6. Step 6: Final answer
    x = 2,073.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.