Home / 2,081.46-3,124.08-1,108.38

Finding the Fourth Proportional to 2,081.46, 3,124.08 and 1,108.38

Calculator

Solution

The fourth proportional to 2,081.46, 3,124.08 and 1,108.38 is: 1,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.46 : 3,124.08 = 1,108.38 : x
  2. Step 2: Convert to fraction form
    2,081.46/3,124.08 = 1,108.38/x
  3. Step 3: Cross multiply
    2,081.46x = 3,124.08 × 1,108.38
  4. Step 4: Simplify right side
    2,081.46x = 3,462,667.79
  5. Step 5: Solve for x
    x = 3,462,667.79/2,081.46
  6. Step 6: Final answer
    x = 1,663.58

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.