Home / 1,839-4,018

Finding the Third Proportional to 1,839 and 4,018

Calculator

Solution

The third proportional to 1,839 and 4,018 is: 8,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839 : 4,018 = 4,018 : x
  2. Step 2: Convert to fraction form
    1,839/4,018 = 4,018/x
  3. Step 3: Cross multiply
    1,839x = 4,018 × 4,018
  4. Step 4: Simplify right side
    1,839x = 16,144,324
  5. Step 5: Solve for x
    x = 16,144,324/1,839
  6. Step 6: Final answer
    x = 8,778.86

Related Problems

Find third proportional to 919.50 and 2,009
Half scale
Find third proportional to 3,678 and 8,036
Double scale
Find third proportional to 1,841 and 4,022
Similar ratio
Find third proportional to 2,758.50 and 6,027
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.