Home / 3.60-5.41-2

Finding the Fourth Proportional to 3.60, 5.41 and 2

Calculator

Solution

The fourth proportional to 3.60, 5.41 and 2 is: 3.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.60 : 5.41 = 2 : x
  2. Step 2: Convert to fraction form
    3.60/5.41 = 2/x
  3. Step 3: Cross multiply
    3.60x = 5.41 × 2
  4. Step 4: Simplify right side
    3.60x = 10.82
  5. Step 5: Solve for x
    x = 10.82/3.60
  6. Step 6: Final answer
    x = 3.01

Related Problems

Find fourth proportional to 1.80, 2.71 and 1
Half scale
Find fourth proportional to 7.20, 10.82 and 4
Double scale
Find fourth proportional to 4.60, 6.91 and 3
Similar ratio
Find fourth proportional to 5.40, 8.12 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.