Home / 1,133.67-1,697.16-1,105.73

Finding the Fourth Proportional to 1,133.67, 1,697.16 and 1,105.73

Calculator

Solution

The fourth proportional to 1,133.67, 1,697.16 and 1,105.73 is: 1,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.67 : 1,697.16 = 1,105.73 : x
  2. Step 2: Convert to fraction form
    1,133.67/1,697.16 = 1,105.73/x
  3. Step 3: Cross multiply
    1,133.67x = 1,697.16 × 1,105.73
  4. Step 4: Simplify right side
    1,133.67x = 1,876,596.39
  5. Step 5: Solve for x
    x = 1,876,596.39/1,133.67
  6. Step 6: Final answer
    x = 1,655.33

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.