Home / 801.16-1,201.16-540.52

Finding the Fourth Proportional to 801.16, 1,201.16 and 540.52

Calculator

Solution

The fourth proportional to 801.16, 1,201.16 and 540.52 is: 810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    801.16 : 1,201.16 = 540.52 : x
  2. Step 2: Convert to fraction form
    801.16/1,201.16 = 540.52/x
  3. Step 3: Cross multiply
    801.16x = 1,201.16 × 540.52
  4. Step 4: Simplify right side
    801.16x = 649,251.00
  5. Step 5: Solve for x
    x = 649,251.00/801.16
  6. Step 6: Final answer
    x = 810.39

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.