Home / 1,161-2,163

Finding the Third Proportional to 1,161 and 2,163

Calculator

Solution

The third proportional to 1,161 and 2,163 is: 4,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161 : 2,163 = 2,163 : x
  2. Step 2: Convert to fraction form
    1,161/2,163 = 2,163/x
  3. Step 3: Cross multiply
    1,161x = 2,163 × 2,163
  4. Step 4: Simplify right side
    1,161x = 4,678,569
  5. Step 5: Solve for x
    x = 4,678,569/1,161
  6. Step 6: Final answer
    x = 4,029.78

Related Problems

Find third proportional to 580.50 and 1,081.50
Half scale
Find third proportional to 2,322 and 4,326
Double scale
Find third proportional to 1,163 and 2,167
Similar ratio
Find third proportional to 1,741.50 and 3,244.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.