Home / 3,726.46-5,590.90-1,778.42

Finding the Fourth Proportional to 3,726.46, 5,590.90 and 1,778.42

Calculator

Solution

The fourth proportional to 3,726.46, 5,590.90 and 1,778.42 is: 2,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.46 : 5,590.90 = 1,778.42 : x
  2. Step 2: Convert to fraction form
    3,726.46/5,590.90 = 1,778.42/x
  3. Step 3: Cross multiply
    3,726.46x = 5,590.90 × 1,778.42
  4. Step 4: Simplify right side
    3,726.46x = 9,942,968.38
  5. Step 5: Solve for x
    x = 9,942,968.38/3,726.46
  6. Step 6: Final answer
    x = 2,668.21

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.