Home / 3,718.08-5,550.84-3,198.24

Finding the Fourth Proportional to 3,718.08, 5,550.84 and 3,198.24

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Solution

The fourth proportional to 3,718.08, 5,550.84 and 3,198.24 is: 4,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.08 : 5,550.84 = 3,198.24 : x
  2. Step 2: Convert to fraction form
    3,718.08/5,550.84 = 3,198.24/x
  3. Step 3: Cross multiply
    3,718.08x = 5,550.84 × 3,198.24
  4. Step 4: Simplify right side
    3,718.08x = 17,752,918.52
  5. Step 5: Solve for x
    x = 17,752,918.52/3,718.08
  6. Step 6: Final answer
    x = 4,774.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.