Home / 3,674.90-5,511.75-1,209.75

Finding the Fourth Proportional to 3,674.90, 5,511.75 and 1,209.75

Calculator

Solution

The fourth proportional to 3,674.90, 5,511.75 and 1,209.75 is: 1,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.90 : 5,511.75 = 1,209.75 : x
  2. Step 2: Convert to fraction form
    3,674.90/5,511.75 = 1,209.75/x
  3. Step 3: Cross multiply
    3,674.90x = 5,511.75 × 1,209.75
  4. Step 4: Simplify right side
    3,674.90x = 6,667,845.36
  5. Step 5: Solve for x
    x = 6,667,845.36/3,674.90
  6. Step 6: Final answer
    x = 1,814.43

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.