Home / 1,383.48-1,908.99-793.91

Finding the Fourth Proportional to 1,383.48, 1,908.99 and 793.91

Calculator

Solution

The fourth proportional to 1,383.48, 1,908.99 and 793.91 is: 1,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383.48 : 1,908.99 = 793.91 : x
  2. Step 2: Convert to fraction form
    1,383.48/1,908.99 = 793.91/x
  3. Step 3: Cross multiply
    1,383.48x = 1,908.99 × 793.91
  4. Step 4: Simplify right side
    1,383.48x = 1,515,571.02
  5. Step 5: Solve for x
    x = 1,515,571.02/1,383.48
  6. Step 6: Final answer
    x = 1,095.48

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.