Home / 3,976.36-5,487.55-2,208.13

Finding the Fourth Proportional to 3,976.36, 5,487.55 and 2,208.13

Calculator

Solution

The fourth proportional to 3,976.36, 5,487.55 and 2,208.13 is: 3,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.36 : 5,487.55 = 2,208.13 : x
  2. Step 2: Convert to fraction form
    3,976.36/5,487.55 = 2,208.13/x
  3. Step 3: Cross multiply
    3,976.36x = 5,487.55 × 2,208.13
  4. Step 4: Simplify right side
    3,976.36x = 12,117,204.54
  5. Step 5: Solve for x
    x = 12,117,204.54/3,976.36
  6. Step 6: Final answer
    x = 3,047.31

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.