Home / 3,380-4,286

Finding the Third Proportional to 3,380 and 4,286

Calculator

Solution

The third proportional to 3,380 and 4,286 is: 5,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380 : 4,286 = 4,286 : x
  2. Step 2: Convert to fraction form
    3,380/4,286 = 4,286/x
  3. Step 3: Cross multiply
    3,380x = 4,286 × 4,286
  4. Step 4: Simplify right side
    3,380x = 18,369,796
  5. Step 5: Solve for x
    x = 18,369,796/3,380
  6. Step 6: Final answer
    x = 5,434.85

Related Problems

Find third proportional to 1,690 and 2,143
Half scale
Find third proportional to 6,760 and 8,572
Double scale
Find third proportional to 3,382 and 4,289
Similar ratio
Find third proportional to 5,070 and 6,429
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.