Home / 2,856.56-4,284.79-908.73

Finding the Fourth Proportional to 2,856.56, 4,284.79 and 908.73

Calculator

Solution

The fourth proportional to 2,856.56, 4,284.79 and 908.73 is: 1,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.56 : 4,284.79 = 908.73 : x
  2. Step 2: Convert to fraction form
    2,856.56/4,284.79 = 908.73/x
  3. Step 3: Cross multiply
    2,856.56x = 4,284.79 × 908.73
  4. Step 4: Simplify right side
    2,856.56x = 3,893,714.94
  5. Step 5: Solve for x
    x = 3,893,714.94/2,856.56
  6. Step 6: Final answer
    x = 1,363.08

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.