Home / 1,721-3,848

Finding the Third Proportional to 1,721 and 3,848

Calculator

Solution

The third proportional to 1,721 and 3,848 is: 8,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721 : 3,848 = 3,848 : x
  2. Step 2: Convert to fraction form
    1,721/3,848 = 3,848/x
  3. Step 3: Cross multiply
    1,721x = 3,848 × 3,848
  4. Step 4: Simplify right side
    1,721x = 14,807,104
  5. Step 5: Solve for x
    x = 14,807,104/1,721
  6. Step 6: Final answer
    x = 8,603.78

Related Problems

Find third proportional to 860.50 and 1,924
Half scale
Find third proportional to 3,442 and 7,696
Double scale
Find third proportional to 1,723 and 3,852
Similar ratio
Find third proportional to 2,581.50 and 5,772
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.