Home / 3,474.28-4,791.18-3,219.76

Finding the Fourth Proportional to 3,474.28, 4,791.18 and 3,219.76

Calculator

Solution

The fourth proportional to 3,474.28, 4,791.18 and 3,219.76 is: 4,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.28 : 4,791.18 = 3,219.76 : x
  2. Step 2: Convert to fraction form
    3,474.28/4,791.18 = 3,219.76/x
  3. Step 3: Cross multiply
    3,474.28x = 4,791.18 × 3,219.76
  4. Step 4: Simplify right side
    3,474.28x = 15,426,449.72
  5. Step 5: Solve for x
    x = 15,426,449.72/3,474.28
  6. Step 6: Final answer
    x = 4,440.19

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.