Home / 3,412.14-5,118.21-2,313.78

Finding the Fourth Proportional to 3,412.14, 5,118.21 and 2,313.78

Calculator

Solution

The fourth proportional to 3,412.14, 5,118.21 and 2,313.78 is: 3,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.14 : 5,118.21 = 2,313.78 : x
  2. Step 2: Convert to fraction form
    3,412.14/5,118.21 = 2,313.78/x
  3. Step 3: Cross multiply
    3,412.14x = 5,118.21 × 2,313.78
  4. Step 4: Simplify right side
    3,412.14x = 11,842,411.93
  5. Step 5: Solve for x
    x = 11,842,411.93/3,412.14
  6. Step 6: Final answer
    x = 3,470.67

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.