Home / 2,578-3,828

Finding the Third Proportional to 2,578 and 3,828

Calculator

Solution

The third proportional to 2,578 and 3,828 is: 5,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578 : 3,828 = 3,828 : x
  2. Step 2: Convert to fraction form
    2,578/3,828 = 3,828/x
  3. Step 3: Cross multiply
    2,578x = 3,828 × 3,828
  4. Step 4: Simplify right side
    2,578x = 14,653,584
  5. Step 5: Solve for x
    x = 14,653,584/2,578
  6. Step 6: Final answer
    x = 5,684.09

Related Problems

Find third proportional to 1,289 and 1,914
Half scale
Find third proportional to 5,156 and 7,656
Double scale
Find third proportional to 2,580 and 3,831
Similar ratio
Find third proportional to 3,867 and 5,742
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.