Home / 2.67-4-1.17

Finding the Fourth Proportional to 2.67, 4 and 1.17

Calculator

Solution

The fourth proportional to 2.67, 4 and 1.17 is: 1.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.67 : 4 = 1.17 : x
  2. Step 2: Convert to fraction form
    2.67/4 = 1.17/x
  3. Step 3: Cross multiply
    2.67x = 4 × 1.17
  4. Step 4: Simplify right side
    2.67x = 4.66
  5. Step 5: Solve for x
    x = 4.66/2.67
  6. Step 6: Final answer
    x = 1.75

Related Problems

Find fourth proportional to 1.33, 2 and 0.58
Half scale
Find fourth proportional to 5.33, 8 and 2.33
Double scale
Find fourth proportional to 3.67, 5.50 and 2.17
Similar ratio
Find fourth proportional to 4.00, 6 and 1.75
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.