Home / 3,105.82-4,651.53-1,870.53

Finding the Fourth Proportional to 3,105.82, 4,651.53 and 1,870.53

Calculator

Solution

The fourth proportional to 3,105.82, 4,651.53 and 1,870.53 is: 2,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.82 : 4,651.53 = 1,870.53 : x
  2. Step 2: Convert to fraction form
    3,105.82/4,651.53 = 1,870.53/x
  3. Step 3: Cross multiply
    3,105.82x = 4,651.53 × 1,870.53
  4. Step 4: Simplify right side
    3,105.82x = 8,700,826.41
  5. Step 5: Solve for x
    x = 8,700,826.41/3,105.82
  6. Step 6: Final answer
    x = 2,801.46

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.