Home / 2,768.87-4,150.88-1,038.71

Finding the Fourth Proportional to 2,768.87, 4,150.88 and 1,038.71

Calculator

Solution

The fourth proportional to 2,768.87, 4,150.88 and 1,038.71 is: 1,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.87 : 4,150.88 = 1,038.71 : x
  2. Step 2: Convert to fraction form
    2,768.87/4,150.88 = 1,038.71/x
  3. Step 3: Cross multiply
    2,768.87x = 4,150.88 × 1,038.71
  4. Step 4: Simplify right side
    2,768.87x = 4,311,560.56
  5. Step 5: Solve for x
    x = 4,311,560.56/2,768.87
  6. Step 6: Final answer
    x = 1,557.16

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.