Home / 3,942.28-5,913.42-1,603.56

Finding the Fourth Proportional to 3,942.28, 5,913.42 and 1,603.56

Calculator

Solution

The fourth proportional to 3,942.28, 5,913.42 and 1,603.56 is: 2,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.28 : 5,913.42 = 1,603.56 : x
  2. Step 2: Convert to fraction form
    3,942.28/5,913.42 = 1,603.56/x
  3. Step 3: Cross multiply
    3,942.28x = 5,913.42 × 1,603.56
  4. Step 4: Simplify right side
    3,942.28x = 9,482,515.69
  5. Step 5: Solve for x
    x = 9,482,515.69/3,942.28
  6. Step 6: Final answer
    x = 2,405.34

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.