Home / 2,153.87-3,230.51-766.83

Finding the Fourth Proportional to 2,153.87, 3,230.51 and 766.83

Calculator

Solution

The fourth proportional to 2,153.87, 3,230.51 and 766.83 is: 1,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.87 : 3,230.51 = 766.83 : x
  2. Step 2: Convert to fraction form
    2,153.87/3,230.51 = 766.83/x
  3. Step 3: Cross multiply
    2,153.87x = 3,230.51 × 766.83
  4. Step 4: Simplify right side
    2,153.87x = 2,477,248.15
  5. Step 5: Solve for x
    x = 2,477,248.15/2,153.87
  6. Step 6: Final answer
    x = 1,150.14

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.