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Finding the Fourth Proportional to 3,287.73, 4,926.50 and 1,619.94

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Solution

The fourth proportional to 3,287.73, 4,926.50 and 1,619.94 is: 2,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.73 : 4,926.50 = 1,619.94 : x
  2. Step 2: Convert to fraction form
    3,287.73/4,926.50 = 1,619.94/x
  3. Step 3: Cross multiply
    3,287.73x = 4,926.50 × 1,619.94
  4. Step 4: Simplify right side
    3,287.73x = 7,980,626.31
  5. Step 5: Solve for x
    x = 7,980,626.31/3,287.73
  6. Step 6: Final answer
    x = 2,427.40

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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.