Home / 2,198.08-3,297.84-900.16

Finding the Fourth Proportional to 2,198.08, 3,297.84 and 900.16

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Solution

The fourth proportional to 2,198.08, 3,297.84 and 900.16 is: 1,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.08 : 3,297.84 = 900.16 : x
  2. Step 2: Convert to fraction form
    2,198.08/3,297.84 = 900.16/x
  3. Step 3: Cross multiply
    2,198.08x = 3,297.84 × 900.16
  4. Step 4: Simplify right side
    2,198.08x = 2,968,583.65
  5. Step 5: Solve for x
    x = 2,968,583.65/2,198.08
  6. Step 6: Final answer
    x = 1,350.53

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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.