Home / 3,840.32-5,759.04-2,198.08

Finding the Fourth Proportional to 3,840.32, 5,759.04 and 2,198.08

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Solution

The fourth proportional to 3,840.32, 5,759.04 and 2,198.08 is: 3,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.32 : 5,759.04 = 2,198.08 : x
  2. Step 2: Convert to fraction form
    3,840.32/5,759.04 = 2,198.08/x
  3. Step 3: Cross multiply
    3,840.32x = 5,759.04 × 2,198.08
  4. Step 4: Simplify right side
    3,840.32x = 12,658,830.64
  5. Step 5: Solve for x
    x = 12,658,830.64/3,840.32
  6. Step 6: Final answer
    x = 3,296.30

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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.