Home / 3,380-4,082

Finding the Third Proportional to 3,380 and 4,082

Calculator

Solution

The third proportional to 3,380 and 4,082 is: 4,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380 : 4,082 = 4,082 : x
  2. Step 2: Convert to fraction form
    3,380/4,082 = 4,082/x
  3. Step 3: Cross multiply
    3,380x = 4,082 × 4,082
  4. Step 4: Simplify right side
    3,380x = 16,662,724
  5. Step 5: Solve for x
    x = 16,662,724/3,380
  6. Step 6: Final answer
    x = 4,929.80

Related Problems

Find third proportional to 1,690 and 2,041
Half scale
Find third proportional to 6,760 and 8,164
Double scale
Find third proportional to 3,382 and 4,084
Similar ratio
Find third proportional to 5,070 and 6,123
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.