Home / 2.94-4-2.92

Finding the Fourth Proportional to 2.94, 4 and 2.92

Calculator

Solution

The fourth proportional to 2.94, 4 and 2.92 is: 3.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.94 : 4 = 2.92 : x
  2. Step 2: Convert to fraction form
    2.94/4 = 2.92/x
  3. Step 3: Cross multiply
    2.94x = 4 × 2.92
  4. Step 4: Simplify right side
    2.94x = 11.68
  5. Step 5: Solve for x
    x = 11.68/2.94
  6. Step 6: Final answer
    x = 3.97

Related Problems

Find fourth proportional to 1.47, 2 and 1.46
Half scale
Find fourth proportional to 5.88, 8 and 5.84
Double scale
Find fourth proportional to 3.94, 5.36 and 3.92
Similar ratio
Find fourth proportional to 4.41, 6 and 4.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.