Home / 3,155.20-4,351.86-2,035.57

Finding the Fourth Proportional to 3,155.20, 4,351.86 and 2,035.57

Calculator

Solution

The fourth proportional to 3,155.20, 4,351.86 and 2,035.57 is: 2,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.20 : 4,351.86 = 2,035.57 : x
  2. Step 2: Convert to fraction form
    3,155.20/4,351.86 = 2,035.57/x
  3. Step 3: Cross multiply
    3,155.20x = 4,351.86 × 2,035.57
  4. Step 4: Simplify right side
    3,155.20x = 8,858,515.66
  5. Step 5: Solve for x
    x = 8,858,515.66/3,155.20
  6. Step 6: Final answer
    x = 2,807.59

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.