Home / 1,414.41-2,118.78-674.74

Finding the Fourth Proportional to 1,414.41, 2,118.78 and 674.74

Calculator

Solution

The fourth proportional to 1,414.41, 2,118.78 and 674.74 is: 1,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.41 : 2,118.78 = 674.74 : x
  2. Step 2: Convert to fraction form
    1,414.41/2,118.78 = 674.74/x
  3. Step 3: Cross multiply
    1,414.41x = 2,118.78 × 674.74
  4. Step 4: Simplify right side
    1,414.41x = 1,429,620.32
  5. Step 5: Solve for x
    x = 1,429,620.32/1,414.41
  6. Step 6: Final answer
    x = 1,010.75

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.