Home / 2,976.67-4,109.16-1,914.94

Finding the Fourth Proportional to 2,976.67, 4,109.16 and 1,914.94

Calculator

Solution

The fourth proportional to 2,976.67, 4,109.16 and 1,914.94 is: 2,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.67 : 4,109.16 = 1,914.94 : x
  2. Step 2: Convert to fraction form
    2,976.67/4,109.16 = 1,914.94/x
  3. Step 3: Cross multiply
    2,976.67x = 4,109.16 × 1,914.94
  4. Step 4: Simplify right side
    2,976.67x = 7,868,794.85
  5. Step 5: Solve for x
    x = 7,868,794.85/2,976.67
  6. Step 6: Final answer
    x = 2,643.49

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.