Home / 3,086.80-4,632.06-1,140.40

Finding the Fourth Proportional to 3,086.80, 4,632.06 and 1,140.40

Calculator

Solution

The fourth proportional to 3,086.80, 4,632.06 and 1,140.40 is: 1,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.80 : 4,632.06 = 1,140.40 : x
  2. Step 2: Convert to fraction form
    3,086.80/4,632.06 = 1,140.40/x
  3. Step 3: Cross multiply
    3,086.80x = 4,632.06 × 1,140.40
  4. Step 4: Simplify right side
    3,086.80x = 5,282,401.22
  5. Step 5: Solve for x
    x = 5,282,401.22/3,086.80
  6. Step 6: Final answer
    x = 1,711.29

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.