Home / 2,978.22-4,109.94-1,799.07

Finding the Fourth Proportional to 2,978.22, 4,109.94 and 1,799.07

Calculator

Solution

The fourth proportional to 2,978.22, 4,109.94 and 1,799.07 is: 2,482.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978.22 : 4,109.94 = 1,799.07 : x
  2. Step 2: Convert to fraction form
    2,978.22/4,109.94 = 1,799.07/x
  3. Step 3: Cross multiply
    2,978.22x = 4,109.94 × 1,799.07
  4. Step 4: Simplify right side
    2,978.22x = 7,394,069.76
  5. Step 5: Solve for x
    x = 7,394,069.76/2,978.22
  6. Step 6: Final answer
    x = 2,482.71

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.