Home / 1,798-3,949

Finding the Third Proportional to 1,798 and 3,949

Calculator

Solution

The third proportional to 1,798 and 3,949 is: 8,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798 : 3,949 = 3,949 : x
  2. Step 2: Convert to fraction form
    1,798/3,949 = 3,949/x
  3. Step 3: Cross multiply
    1,798x = 3,949 × 3,949
  4. Step 4: Simplify right side
    1,798x = 15,594,601
  5. Step 5: Solve for x
    x = 15,594,601/1,798
  6. Step 6: Final answer
    x = 8,673.30

Related Problems

Find third proportional to 899 and 1,974.50
Half scale
Find third proportional to 3,596 and 7,898
Double scale
Find third proportional to 1,800 and 3,953
Similar ratio
Find third proportional to 2,697 and 5,923.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.