Home / 2.01-2.72-2

Finding the Fourth Proportional to 2.01, 2.72 and 2

Calculator

Solution

The fourth proportional to 2.01, 2.72 and 2 is: 2.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.01 : 2.72 = 2 : x
  2. Step 2: Convert to fraction form
    2.01/2.72 = 2/x
  3. Step 3: Cross multiply
    2.01x = 2.72 × 2
  4. Step 4: Simplify right side
    2.01x = 5.44
  5. Step 5: Solve for x
    x = 5.44/2.01
  6. Step 6: Final answer
    x = 2.71

Related Problems

Find fourth proportional to 1.01, 1.36 and 1
Half scale
Find fourth proportional to 4.02, 5.44 and 4
Double scale
Find fourth proportional to 3.01, 4.07 and 3
Similar ratio
Find fourth proportional to 3.02, 4.08 and 3
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.