Home / 2.27-3.13-2

Finding the Fourth Proportional to 2.27, 3.13 and 2

Calculator

Solution

The fourth proportional to 2.27, 3.13 and 2 is: 2.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.27 : 3.13 = 2 : x
  2. Step 2: Convert to fraction form
    2.27/3.13 = 2/x
  3. Step 3: Cross multiply
    2.27x = 3.13 × 2
  4. Step 4: Simplify right side
    2.27x = 6.26
  5. Step 5: Solve for x
    x = 6.26/2.27
  6. Step 6: Final answer
    x = 2.76

Related Problems

Find fourth proportional to 1.14, 1.57 and 1
Half scale
Find fourth proportional to 4.54, 6.26 and 4
Double scale
Find fourth proportional to 3.27, 4.51 and 3
Similar ratio
Find fourth proportional to 3.41, 4.70 and 3
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.