Home / 2.17-3.24-2

Finding the Fourth Proportional to 2.17, 3.24 and 2

Calculator

Solution

The fourth proportional to 2.17, 3.24 and 2 is: 2.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.17 : 3.24 = 2 : x
  2. Step 2: Convert to fraction form
    2.17/3.24 = 2/x
  3. Step 3: Cross multiply
    2.17x = 3.24 × 2
  4. Step 4: Simplify right side
    2.17x = 6.48
  5. Step 5: Solve for x
    x = 6.48/2.17
  6. Step 6: Final answer
    x = 2.99

Related Problems

Find fourth proportional to 1.09, 1.62 and 1
Half scale
Find fourth proportional to 4.34, 6.48 and 4
Double scale
Find fourth proportional to 3.17, 4.73 and 3
Similar ratio
Find fourth proportional to 3.26, 4.86 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.