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Finding the Fourth Proportional to 1,733.09, 2,599.83 and 808.88

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Solution

The fourth proportional to 1,733.09, 2,599.83 and 808.88 is: 1,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.09 : 2,599.83 = 808.88 : x
  2. Step 2: Convert to fraction form
    1,733.09/2,599.83 = 808.88/x
  3. Step 3: Cross multiply
    1,733.09x = 2,599.83 × 808.88
  4. Step 4: Simplify right side
    1,733.09x = 2,102,937.49
  5. Step 5: Solve for x
    x = 2,102,937.49/1,733.09
  6. Step 6: Final answer
    x = 1,213.41

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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.