Home / 3,636-4,440

Finding the Third Proportional to 3,636 and 4,440

Calculator

Solution

The third proportional to 3,636 and 4,440 is: 5,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636 : 4,440 = 4,440 : x
  2. Step 2: Convert to fraction form
    3,636/4,440 = 4,440/x
  3. Step 3: Cross multiply
    3,636x = 4,440 × 4,440
  4. Step 4: Simplify right side
    3,636x = 19,713,600
  5. Step 5: Solve for x
    x = 19,713,600/3,636
  6. Step 6: Final answer
    x = 5,421.78

Related Problems

Find third proportional to 1,818 and 2,220
Half scale
Find third proportional to 7,272 and 8,880
Double scale
Find third proportional to 3,638 and 4,442
Similar ratio
Find third proportional to 5,454 and 6,660
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.