Home / 3,613.16-5,419.92-1,664.84

Finding the Fourth Proportional to 3,613.16, 5,419.92 and 1,664.84

Calculator

Solution

The fourth proportional to 3,613.16, 5,419.92 and 1,664.84 is: 2,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.16 : 5,419.92 = 1,664.84 : x
  2. Step 2: Convert to fraction form
    3,613.16/5,419.92 = 1,664.84/x
  3. Step 3: Cross multiply
    3,613.16x = 5,419.92 × 1,664.84
  4. Step 4: Simplify right side
    3,613.16x = 9,023,299.61
  5. Step 5: Solve for x
    x = 9,023,299.61/3,613.16
  6. Step 6: Final answer
    x = 2,497.34

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.