Home / 3,228.39-4,454.90-1,811.88

Finding the Fourth Proportional to 3,228.39, 4,454.90 and 1,811.88

Calculator

Solution

The fourth proportional to 3,228.39, 4,454.90 and 1,811.88 is: 2,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.39 : 4,454.90 = 1,811.88 : x
  2. Step 2: Convert to fraction form
    3,228.39/4,454.90 = 1,811.88/x
  3. Step 3: Cross multiply
    3,228.39x = 4,454.90 × 1,811.88
  4. Step 4: Simplify right side
    3,228.39x = 8,071,744.21
  5. Step 5: Solve for x
    x = 8,071,744.21/3,228.39
  6. Step 6: Final answer
    x = 2,500.24

Related Problems

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.