Home / 2,625.76-3,938.72-1,327.36

Finding the Fourth Proportional to 2,625.76, 3,938.72 and 1,327.36

Calculator

Solution

The fourth proportional to 2,625.76, 3,938.72 and 1,327.36 is: 1,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.76 : 3,938.72 = 1,327.36 : x
  2. Step 2: Convert to fraction form
    2,625.76/3,938.72 = 1,327.36/x
  3. Step 3: Cross multiply
    2,625.76x = 3,938.72 × 1,327.36
  4. Step 4: Simplify right side
    2,625.76x = 5,228,099.38
  5. Step 5: Solve for x
    x = 5,228,099.38/2,625.76
  6. Step 6: Final answer
    x = 1,991.08

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.