Home / 2,272.44-3,409.14-811.64

Finding the Fourth Proportional to 2,272.44, 3,409.14 and 811.64

Calculator

Solution

The fourth proportional to 2,272.44, 3,409.14 and 811.64 is: 1,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.44 : 3,409.14 = 811.64 : x
  2. Step 2: Convert to fraction form
    2,272.44/3,409.14 = 811.64/x
  3. Step 3: Cross multiply
    2,272.44x = 3,409.14 × 811.64
  4. Step 4: Simplify right side
    2,272.44x = 2,766,994.39
  5. Step 5: Solve for x
    x = 2,766,994.39/2,272.44
  6. Step 6: Final answer
    x = 1,217.63

Related Problems

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.