Home / 2,628.78-3,627.50-1,449.85

Finding the Fourth Proportional to 2,628.78, 3,627.50 and 1,449.85

Calculator

Solution

The fourth proportional to 2,628.78, 3,627.50 and 1,449.85 is: 2,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.78 : 3,627.50 = 1,449.85 : x
  2. Step 2: Convert to fraction form
    2,628.78/3,627.50 = 1,449.85/x
  3. Step 3: Cross multiply
    2,628.78x = 3,627.50 × 1,449.85
  4. Step 4: Simplify right side
    2,628.78x = 5,259,345.83
  5. Step 5: Solve for x
    x = 5,259,345.83/2,628.78
  6. Step 6: Final answer
    x = 2,000.68

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.