Home / 3,456.36-5,185.56-1,375.18

Finding the Fourth Proportional to 3,456.36, 5,185.56 and 1,375.18

Calculator

Solution

The fourth proportional to 3,456.36, 5,185.56 and 1,375.18 is: 2,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.36 : 5,185.56 = 1,375.18 : x
  2. Step 2: Convert to fraction form
    3,456.36/5,185.56 = 1,375.18/x
  3. Step 3: Cross multiply
    3,456.36x = 5,185.56 × 1,375.18
  4. Step 4: Simplify right side
    3,456.36x = 7,131,070.59
  5. Step 5: Solve for x
    x = 7,131,070.59/3,456.36
  6. Step 6: Final answer
    x = 2,063.17

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.