Home / 3,813.26-5,720.73-1,216.19

Finding the Fourth Proportional to 3,813.26, 5,720.73 and 1,216.19

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Solution

The fourth proportional to 3,813.26, 5,720.73 and 1,216.19 is: 1,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.26 : 5,720.73 = 1,216.19 : x
  2. Step 2: Convert to fraction form
    3,813.26/5,720.73 = 1,216.19/x
  3. Step 3: Cross multiply
    3,813.26x = 5,720.73 × 1,216.19
  4. Step 4: Simplify right side
    3,813.26x = 6,957,488.54
  5. Step 5: Solve for x
    x = 6,957,488.54/3,813.26
  6. Step 6: Final answer
    x = 1,824.55

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1.5x scale

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.