Home / 2,247.22-3,368.55-860.20

Finding the Fourth Proportional to 2,247.22, 3,368.55 and 860.20

Calculator

Solution

The fourth proportional to 2,247.22, 3,368.55 and 860.20 is: 1,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.22 : 3,368.55 = 860.20 : x
  2. Step 2: Convert to fraction form
    2,247.22/3,368.55 = 860.20/x
  3. Step 3: Cross multiply
    2,247.22x = 3,368.55 × 860.20
  4. Step 4: Simplify right side
    2,247.22x = 2,897,626.71
  5. Step 5: Solve for x
    x = 2,897,626.71/2,247.22
  6. Step 6: Final answer
    x = 1,289.43

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.