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Finding the Fourth Proportional to 3,369, 5,052.02 and 1,808.54

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Solution

The fourth proportional to 3,369, 5,052.02 and 1,808.54 is: 2,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369 : 5,052.02 = 1,808.54 : x
  2. Step 2: Convert to fraction form
    3,369/5,052.02 = 1,808.54/x
  3. Step 3: Cross multiply
    3,369x = 5,052.02 × 1,808.54
  4. Step 4: Simplify right side
    3,369x = 9,136,780.25
  5. Step 5: Solve for x
    x = 9,136,780.25/3,369
  6. Step 6: Final answer
    x = 2,712.02

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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.