Home / 2,854-3,847

Finding the Third Proportional to 2,854 and 3,847

Calculator

Solution

The third proportional to 2,854 and 3,847 is: 5,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854 : 3,847 = 3,847 : x
  2. Step 2: Convert to fraction form
    2,854/3,847 = 3,847/x
  3. Step 3: Cross multiply
    2,854x = 3,847 × 3,847
  4. Step 4: Simplify right side
    2,854x = 14,799,409
  5. Step 5: Solve for x
    x = 14,799,409/2,854
  6. Step 6: Final answer
    x = 5,185.50

Related Problems

Find third proportional to 1,427 and 1,923.50
Half scale
Find third proportional to 5,708 and 7,694
Double scale
Find third proportional to 2,856 and 3,850
Similar ratio
Find third proportional to 4,281 and 5,770.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.