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Finding the Fourth Proportional to 1,808.00, 2,712.05 and 884.30

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Solution

The fourth proportional to 1,808.00, 2,712.05 and 884.30 is: 1,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.00 : 2,712.05 = 884.30 : x
  2. Step 2: Convert to fraction form
    1,808.00/2,712.05 = 884.30/x
  3. Step 3: Cross multiply
    1,808.00x = 2,712.05 × 884.30
  4. Step 4: Simplify right side
    1,808.00x = 2,398,251.15
  5. Step 5: Solve for x
    x = 2,398,251.15/1,808.00
  6. Step 6: Final answer
    x = 1,326.47

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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.