Home / 1,377.94-2,067.20-403.96

Finding the Fourth Proportional to 1,377.94, 2,067.20 and 403.96

Calculator

Solution

The fourth proportional to 1,377.94, 2,067.20 and 403.96 is: 606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377.94 : 2,067.20 = 403.96 : x
  2. Step 2: Convert to fraction form
    1,377.94/2,067.20 = 403.96/x
  3. Step 3: Cross multiply
    1,377.94x = 2,067.20 × 403.96
  4. Step 4: Simplify right side
    1,377.94x = 835,066.11
  5. Step 5: Solve for x
    x = 835,066.11/1,377.94
  6. Step 6: Final answer
    x = 606.03

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.