Home / 3,558-3,878

Finding the Third Proportional to 3,558 and 3,878

Calculator

Solution

The third proportional to 3,558 and 3,878 is: 4,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558 : 3,878 = 3,878 : x
  2. Step 2: Convert to fraction form
    3,558/3,878 = 3,878/x
  3. Step 3: Cross multiply
    3,558x = 3,878 × 3,878
  4. Step 4: Simplify right side
    3,558x = 15,038,884
  5. Step 5: Solve for x
    x = 15,038,884/3,558
  6. Step 6: Final answer
    x = 4,226.78

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.