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Finding the Fourth Proportional to 1,770.39, 2,654.67 and 795.66

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Solution

The fourth proportional to 1,770.39, 2,654.67 and 795.66 is: 1,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.39 : 2,654.67 = 795.66 : x
  2. Step 2: Convert to fraction form
    1,770.39/2,654.67 = 795.66/x
  3. Step 3: Cross multiply
    1,770.39x = 2,654.67 × 795.66
  4. Step 4: Simplify right side
    1,770.39x = 2,112,214.73
  5. Step 5: Solve for x
    x = 2,112,214.73/1,770.39
  6. Step 6: Final answer
    x = 1,193.08

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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.