Home / 2.42-3.61-2

Finding the Fourth Proportional to 2.42, 3.61 and 2

Calculator

Solution

The fourth proportional to 2.42, 3.61 and 2 is: 2.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.42 : 3.61 = 2 : x
  2. Step 2: Convert to fraction form
    2.42/3.61 = 2/x
  3. Step 3: Cross multiply
    2.42x = 3.61 × 2
  4. Step 4: Simplify right side
    2.42x = 7.22
  5. Step 5: Solve for x
    x = 7.22/2.42
  6. Step 6: Final answer
    x = 2.98

Related Problems

Find fourth proportional to 1.21, 1.81 and 1
Half scale
Find fourth proportional to 4.84, 7.22 and 4
Double scale
Find fourth proportional to 3.42, 5.10 and 3
Similar ratio
Find fourth proportional to 3.63, 5.42 and 3
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.