Home / 3,622-4,999-2,150

Finding the Fourth Proportional to 3,622, 4,999 and 2,150

Calculator

Solution

The fourth proportional to 3,622, 4,999 and 2,150 is: 2,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622 : 4,999 = 2,150 : x
  2. Step 2: Convert to fraction form
    3,622/4,999 = 2,150/x
  3. Step 3: Cross multiply
    3,622x = 4,999 × 2,150
  4. Step 4: Simplify right side
    3,622x = 10,747,850
  5. Step 5: Solve for x
    x = 10,747,850/3,622
  6. Step 6: Final answer
    x = 2,967.38

Related Problems

Find fourth proportional to 1,811, 2,499.50 and 1,075
Half scale
Find fourth proportional to 7,244, 9,998 and 4,300
Double scale
Find fourth proportional to 3,623, 5,000.38 and 2,151
Similar ratio
Find fourth proportional to 5,433, 7,498.50 and 3,225
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.