Home / 2,109.22-2,908.71-1,363.43

Finding the Fourth Proportional to 2,109.22, 2,908.71 and 1,363.43

Calculator

Solution

The fourth proportional to 2,109.22, 2,908.71 and 1,363.43 is: 1,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.22 : 2,908.71 = 1,363.43 : x
  2. Step 2: Convert to fraction form
    2,109.22/2,908.71 = 1,363.43/x
  3. Step 3: Cross multiply
    2,109.22x = 2,908.71 × 1,363.43
  4. Step 4: Simplify right side
    2,109.22x = 3,965,829.75
  5. Step 5: Solve for x
    x = 3,965,829.75/2,109.22
  6. Step 6: Final answer
    x = 1,880.24

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.