Home / 1,211.88-1,817.91-346.26

Finding the Fourth Proportional to 1,211.88, 1,817.91 and 346.26

Calculator

Solution

The fourth proportional to 1,211.88, 1,817.91 and 346.26 is: 519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211.88 : 1,817.91 = 346.26 : x
  2. Step 2: Convert to fraction form
    1,211.88/1,817.91 = 346.26/x
  3. Step 3: Cross multiply
    1,211.88x = 1,817.91 × 346.26
  4. Step 4: Simplify right side
    1,211.88x = 629,469.52
  5. Step 5: Solve for x
    x = 629,469.52/1,211.88
  6. Step 6: Final answer
    x = 519.42

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.