Home / 2,820-4,224

Finding the Third Proportional to 2,820 and 4,224

Calculator

Solution

The third proportional to 2,820 and 4,224 is: 6,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820 : 4,224 = 4,224 : x
  2. Step 2: Convert to fraction form
    2,820/4,224 = 4,224/x
  3. Step 3: Cross multiply
    2,820x = 4,224 × 4,224
  4. Step 4: Simplify right side
    2,820x = 17,842,176
  5. Step 5: Solve for x
    x = 17,842,176/2,820
  6. Step 6: Final answer
    x = 6,327.01

Related Problems

Find third proportional to 1,410 and 2,112
Half scale
Find third proportional to 5,640 and 8,448
Double scale
Find third proportional to 2,822 and 4,227
Similar ratio
Find third proportional to 4,230 and 6,336
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.