Home / 2,874.78-4,308.04-1,230.88

Finding the Fourth Proportional to 2,874.78, 4,308.04 and 1,230.88

Calculator

Solution

The fourth proportional to 2,874.78, 4,308.04 and 1,230.88 is: 1,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.78 : 4,308.04 = 1,230.88 : x
  2. Step 2: Convert to fraction form
    2,874.78/4,308.04 = 1,230.88/x
  3. Step 3: Cross multiply
    2,874.78x = 4,308.04 × 1,230.88
  4. Step 4: Simplify right side
    2,874.78x = 5,302,680.28
  5. Step 5: Solve for x
    x = 5,302,680.28/2,874.78
  6. Step 6: Final answer
    x = 1,844.55

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.