Home / 1,992.38-2,749.41-1,108.18

Finding the Fourth Proportional to 1,992.38, 2,749.41 and 1,108.18

Calculator

Solution

The fourth proportional to 1,992.38, 2,749.41 and 1,108.18 is: 1,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.38 : 2,749.41 = 1,108.18 : x
  2. Step 2: Convert to fraction form
    1,992.38/2,749.41 = 1,108.18/x
  3. Step 3: Cross multiply
    1,992.38x = 2,749.41 × 1,108.18
  4. Step 4: Simplify right side
    1,992.38x = 3,046,841.17
  5. Step 5: Solve for x
    x = 3,046,841.17/1,992.38
  6. Step 6: Final answer
    x = 1,529.25

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.