Home / 1,817-4,109

Finding the Third Proportional to 1,817 and 4,109

Calculator

Solution

The third proportional to 1,817 and 4,109 is: 9,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817 : 4,109 = 4,109 : x
  2. Step 2: Convert to fraction form
    1,817/4,109 = 4,109/x
  3. Step 3: Cross multiply
    1,817x = 4,109 × 4,109
  4. Step 4: Simplify right side
    1,817x = 16,883,881
  5. Step 5: Solve for x
    x = 16,883,881/1,817
  6. Step 6: Final answer
    x = 9,292.17

Related Problems

Find third proportional to 908.50 and 2,054.50
Half scale
Find third proportional to 3,634 and 8,218
Double scale
Find third proportional to 1,819 and 4,114
Similar ratio
Find third proportional to 2,725.50 and 6,163.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.