Home / 2,212.73-3,318.87-751.85

Finding the Fourth Proportional to 2,212.73, 3,318.87 and 751.85

Calculator

Solution

The fourth proportional to 2,212.73, 3,318.87 and 751.85 is: 1,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.73 : 3,318.87 = 751.85 : x
  2. Step 2: Convert to fraction form
    2,212.73/3,318.87 = 751.85/x
  3. Step 3: Cross multiply
    2,212.73x = 3,318.87 × 751.85
  4. Step 4: Simplify right side
    2,212.73x = 2,495,292.41
  5. Step 5: Solve for x
    x = 2,495,292.41/2,212.73
  6. Step 6: Final answer
    x = 1,127.70

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.