Home / 1,488.29-2,233.82-758.42

Finding the Fourth Proportional to 1,488.29, 2,233.82 and 758.42

Calculator

Solution

The fourth proportional to 1,488.29, 2,233.82 and 758.42 is: 1,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.29 : 2,233.82 = 758.42 : x
  2. Step 2: Convert to fraction form
    1,488.29/2,233.82 = 758.42/x
  3. Step 3: Cross multiply
    1,488.29x = 2,233.82 × 758.42
  4. Step 4: Simplify right side
    1,488.29x = 1,694,158.80
  5. Step 5: Solve for x
    x = 1,694,158.80/1,488.29
  6. Step 6: Final answer
    x = 1,138.33

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.