Home / 2,204.46-3,042.25-1,209.78

Finding the Fourth Proportional to 2,204.46, 3,042.25 and 1,209.78

Calculator

Solution

The fourth proportional to 2,204.46, 3,042.25 and 1,209.78 is: 1,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.46 : 3,042.25 = 1,209.78 : x
  2. Step 2: Convert to fraction form
    2,204.46/3,042.25 = 1,209.78/x
  3. Step 3: Cross multiply
    2,204.46x = 3,042.25 × 1,209.78
  4. Step 4: Simplify right side
    2,204.46x = 3,680,450.18
  5. Step 5: Solve for x
    x = 3,680,450.18/2,204.46
  6. Step 6: Final answer
    x = 1,669.55

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.