Home / 1,992.35-2,749.29-1,108.10

Finding the Fourth Proportional to 1,992.35, 2,749.29 and 1,108.10

Calculator

Solution

The fourth proportional to 1,992.35, 2,749.29 and 1,108.10 is: 1,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.35 : 2,749.29 = 1,108.10 : x
  2. Step 2: Convert to fraction form
    1,992.35/2,749.29 = 1,108.10/x
  3. Step 3: Cross multiply
    1,992.35x = 2,749.29 × 1,108.10
  4. Step 4: Simplify right side
    1,992.35x = 3,046,488.25
  5. Step 5: Solve for x
    x = 3,046,488.25/1,992.35
  6. Step 6: Final answer
    x = 1,529.09

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.