Home / 1,550.57-2,139.75-851.94

Finding the Fourth Proportional to 1,550.57, 2,139.75 and 851.94

Calculator

Solution

The fourth proportional to 1,550.57, 2,139.75 and 851.94 is: 1,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.57 : 2,139.75 = 851.94 : x
  2. Step 2: Convert to fraction form
    1,550.57/2,139.75 = 851.94/x
  3. Step 3: Cross multiply
    1,550.57x = 2,139.75 × 851.94
  4. Step 4: Simplify right side
    1,550.57x = 1,822,938.62
  5. Step 5: Solve for x
    x = 1,822,938.62/1,550.57
  6. Step 6: Final answer
    x = 1,175.66

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.