Home / 3,119.28-4,680-2,083.44

Finding the Fourth Proportional to 3,119.28, 4,680 and 2,083.44

Calculator

Solution

The fourth proportional to 3,119.28, 4,680 and 2,083.44 is: 3,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.28 : 4,680 = 2,083.44 : x
  2. Step 2: Convert to fraction form
    3,119.28/4,680 = 2,083.44/x
  3. Step 3: Cross multiply
    3,119.28x = 4,680 × 2,083.44
  4. Step 4: Simplify right side
    3,119.28x = 9,750,499.20
  5. Step 5: Solve for x
    x = 9,750,499.20/3,119.28
  6. Step 6: Final answer
    x = 3,125.88

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.