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Finding the Fourth Proportional to 3,199.03, 4,415.07 and 1,872.71

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Solution

The fourth proportional to 3,199.03, 4,415.07 and 1,872.71 is: 2,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.03 : 4,415.07 = 1,872.71 : x
  2. Step 2: Convert to fraction form
    3,199.03/4,415.07 = 1,872.71/x
  3. Step 3: Cross multiply
    3,199.03x = 4,415.07 × 1,872.71
  4. Step 4: Simplify right side
    3,199.03x = 8,268,145.74
  5. Step 5: Solve for x
    x = 8,268,145.74/3,199.03
  6. Step 6: Final answer
    x = 2,584.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.