Home / 1,012.46-1,518.54-281.96

Finding the Fourth Proportional to 1,012.46, 1,518.54 and 281.96

Calculator

Solution

The fourth proportional to 1,012.46, 1,518.54 and 281.96 is: 422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012.46 : 1,518.54 = 281.96 : x
  2. Step 2: Convert to fraction form
    1,012.46/1,518.54 = 281.96/x
  3. Step 3: Cross multiply
    1,012.46x = 1,518.54 × 281.96
  4. Step 4: Simplify right side
    1,012.46x = 428,167.54
  5. Step 5: Solve for x
    x = 428,167.54/1,012.46
  6. Step 6: Final answer
    x = 422.90

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.