Home / 3,481.38-4,802.13-2,155.14

Finding the Fourth Proportional to 3,481.38, 4,802.13 and 2,155.14

Calculator

Solution

The fourth proportional to 3,481.38, 4,802.13 and 2,155.14 is: 2,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.38 : 4,802.13 = 2,155.14 : x
  2. Step 2: Convert to fraction form
    3,481.38/4,802.13 = 2,155.14/x
  3. Step 3: Cross multiply
    3,481.38x = 4,802.13 × 2,155.14
  4. Step 4: Simplify right side
    3,481.38x = 10,349,262.45
  5. Step 5: Solve for x
    x = 10,349,262.45/3,481.38
  6. Step 6: Final answer
    x = 2,972.75

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.