Home / 2,168.92-3,254-936.40

Finding the Fourth Proportional to 2,168.92, 3,254 and 936.40

Calculator

Solution

The fourth proportional to 2,168.92, 3,254 and 936.40 is: 1,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.92 : 3,254 = 936.40 : x
  2. Step 2: Convert to fraction form
    2,168.92/3,254 = 936.40/x
  3. Step 3: Cross multiply
    2,168.92x = 3,254 × 936.40
  4. Step 4: Simplify right side
    2,168.92x = 3,047,045.60
  5. Step 5: Solve for x
    x = 3,047,045.60/2,168.92
  6. Step 6: Final answer
    x = 1,404.87

Related Problems

Find fourth proportional to 1,084.46, 1,627 and 468.20
Half scale
Find fourth proportional to 4,337.84, 6,508 and 1,872.80
Double scale
Find fourth proportional to 2,169.92, 3,255.50 and 937.40
Similar ratio
Find fourth proportional to 3,253.38, 4,881 and 1,404.60
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.