Home / 1,350.86-1,864.24-745.18

Finding the Fourth Proportional to 1,350.86, 1,864.24 and 745.18

Calculator

Solution

The fourth proportional to 1,350.86, 1,864.24 and 745.18 is: 1,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.86 : 1,864.24 = 745.18 : x
  2. Step 2: Convert to fraction form
    1,350.86/1,864.24 = 745.18/x
  3. Step 3: Cross multiply
    1,350.86x = 1,864.24 × 745.18
  4. Step 4: Simplify right side
    1,350.86x = 1,389,187.84
  5. Step 5: Solve for x
    x = 1,389,187.84/1,350.86
  6. Step 6: Final answer
    x = 1,028.37

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.