Home / 1,339.76-1,861.27-1,327.75

Finding the Fourth Proportional to 1,339.76, 1,861.27 and 1,327.75

Calculator

Solution

The fourth proportional to 1,339.76, 1,861.27 and 1,327.75 is: 1,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339.76 : 1,861.27 = 1,327.75 : x
  2. Step 2: Convert to fraction form
    1,339.76/1,861.27 = 1,327.75/x
  3. Step 3: Cross multiply
    1,339.76x = 1,861.27 × 1,327.75
  4. Step 4: Simplify right side
    1,339.76x = 2,471,293.27
  5. Step 5: Solve for x
    x = 2,471,293.27/1,339.76
  6. Step 6: Final answer
    x = 1,844.58

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.