Home / 2.22-3.34-2

Finding the Fourth Proportional to 2.22, 3.34 and 2

Calculator

Solution

The fourth proportional to 2.22, 3.34 and 2 is: 3.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.22 : 3.34 = 2 : x
  2. Step 2: Convert to fraction form
    2.22/3.34 = 2/x
  3. Step 3: Cross multiply
    2.22x = 3.34 × 2
  4. Step 4: Simplify right side
    2.22x = 6.68
  5. Step 5: Solve for x
    x = 6.68/2.22
  6. Step 6: Final answer
    x = 3.01

Related Problems

Find fourth proportional to 1.11, 1.67 and 1
Half scale
Find fourth proportional to 4.44, 6.68 and 4
Double scale
Find fourth proportional to 3.22, 4.84 and 3
Similar ratio
Find fourth proportional to 3.33, 5.01 and 3
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.