Home / 3,859.88-5,326.58-2,181.26

Finding the Fourth Proportional to 3,859.88, 5,326.58 and 2,181.26

Calculator

Solution

The fourth proportional to 3,859.88, 5,326.58 and 2,181.26 is: 3,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.88 : 5,326.58 = 2,181.26 : x
  2. Step 2: Convert to fraction form
    3,859.88/5,326.58 = 2,181.26/x
  3. Step 3: Cross multiply
    3,859.88x = 5,326.58 × 2,181.26
  4. Step 4: Simplify right side
    3,859.88x = 11,618,655.89
  5. Step 5: Solve for x
    x = 11,618,655.89/3,859.88
  6. Step 6: Final answer
    x = 3,010.11

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.