Home / 1,081.71-1,493.29-734.22

Finding the Fourth Proportional to 1,081.71, 1,493.29 and 734.22

Calculator

Solution

The fourth proportional to 1,081.71, 1,493.29 and 734.22 is: 1,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081.71 : 1,493.29 = 734.22 : x
  2. Step 2: Convert to fraction form
    1,081.71/1,493.29 = 734.22/x
  3. Step 3: Cross multiply
    1,081.71x = 1,493.29 × 734.22
  4. Step 4: Simplify right side
    1,081.71x = 1,096,403.38
  5. Step 5: Solve for x
    x = 1,096,403.38/1,081.71
  6. Step 6: Final answer
    x = 1,013.58

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.