Home / 1,375.29-1,897.37-785.52

Finding the Fourth Proportional to 1,375.29, 1,897.37 and 785.52

Calculator

Solution

The fourth proportional to 1,375.29, 1,897.37 and 785.52 is: 1,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375.29 : 1,897.37 = 785.52 : x
  2. Step 2: Convert to fraction form
    1,375.29/1,897.37 = 785.52/x
  3. Step 3: Cross multiply
    1,375.29x = 1,897.37 × 785.52
  4. Step 4: Simplify right side
    1,375.29x = 1,490,418.15
  5. Step 5: Solve for x
    x = 1,490,418.15/1,375.29
  6. Step 6: Final answer
    x = 1,083.71

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.