Home / 1,222.03-1,830.58-734.82

Finding the Fourth Proportional to 1,222.03, 1,830.58 and 734.82

Calculator

Solution

The fourth proportional to 1,222.03, 1,830.58 and 734.82 is: 1,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.03 : 1,830.58 = 734.82 : x
  2. Step 2: Convert to fraction form
    1,222.03/1,830.58 = 734.82/x
  3. Step 3: Cross multiply
    1,222.03x = 1,830.58 × 734.82
  4. Step 4: Simplify right side
    1,222.03x = 1,345,146.80
  5. Step 5: Solve for x
    x = 1,345,146.80/1,222.03
  6. Step 6: Final answer
    x = 1,100.75

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.