Home / 1,344-1,855.13-819.93

Finding the Fourth Proportional to 1,344, 1,855.13 and 819.93

Calculator

Solution

The fourth proportional to 1,344, 1,855.13 and 819.93 is: 1,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344 : 1,855.13 = 819.93 : x
  2. Step 2: Convert to fraction form
    1,344/1,855.13 = 819.93/x
  3. Step 3: Cross multiply
    1,344x = 1,855.13 × 819.93
  4. Step 4: Simplify right side
    1,344x = 1,521,072.64
  5. Step 5: Solve for x
    x = 1,521,072.64/1,344
  6. Step 6: Final answer
    x = 1,131.75

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.