Home / 3,970.91-5,479.86-2,202.53

Finding the Fourth Proportional to 3,970.91, 5,479.86 and 2,202.53

Calculator

Solution

The fourth proportional to 3,970.91, 5,479.86 and 2,202.53 is: 3,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.91 : 5,479.86 = 2,202.53 : x
  2. Step 2: Convert to fraction form
    3,970.91/5,479.86 = 2,202.53/x
  3. Step 3: Cross multiply
    3,970.91x = 5,479.86 × 2,202.53
  4. Step 4: Simplify right side
    3,970.91x = 12,069,556.05
  5. Step 5: Solve for x
    x = 12,069,556.05/3,970.91
  6. Step 6: Final answer
    x = 3,039.49

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.