Home / 4,079.66-5,630.28-2,311.15

Finding the Fourth Proportional to 4,079.66, 5,630.28 and 2,311.15

Calculator

Solution

The fourth proportional to 4,079.66, 5,630.28 and 2,311.15 is: 3,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.66 : 5,630.28 = 2,311.15 : x
  2. Step 2: Convert to fraction form
    4,079.66/5,630.28 = 2,311.15/x
  3. Step 3: Cross multiply
    4,079.66x = 5,630.28 × 2,311.15
  4. Step 4: Simplify right side
    4,079.66x = 13,012,407.55
  5. Step 5: Solve for x
    x = 13,012,407.55/4,079.66
  6. Step 6: Final answer
    x = 3,189.59

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.