Home / 3,959.21-5,463.48-2,190.71

Finding the Fourth Proportional to 3,959.21, 5,463.48 and 2,190.71

Calculator

Solution

The fourth proportional to 3,959.21, 5,463.48 and 2,190.71 is: 3,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.21 : 5,463.48 = 2,190.71 : x
  2. Step 2: Convert to fraction form
    3,959.21/5,463.48 = 2,190.71/x
  3. Step 3: Cross multiply
    3,959.21x = 5,463.48 × 2,190.71
  4. Step 4: Simplify right side
    3,959.21x = 11,968,900.27
  5. Step 5: Solve for x
    x = 11,968,900.27/3,959.21
  6. Step 6: Final answer
    x = 3,023.05

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.