Home / 2,755.37-4,129.54-1,291.29

Finding the Fourth Proportional to 2,755.37, 4,129.54 and 1,291.29

Calculator

Solution

The fourth proportional to 2,755.37, 4,129.54 and 1,291.29 is: 1,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.37 : 4,129.54 = 1,291.29 : x
  2. Step 2: Convert to fraction form
    2,755.37/4,129.54 = 1,291.29/x
  3. Step 3: Cross multiply
    2,755.37x = 4,129.54 × 1,291.29
  4. Step 4: Simplify right side
    2,755.37x = 5,332,433.71
  5. Step 5: Solve for x
    x = 5,332,433.71/2,755.37
  6. Step 6: Final answer
    x = 1,935.29

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.