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Finding the Fourth Proportional to 1,750.14, 2,623.39 and 709.73

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Solution

The fourth proportional to 1,750.14, 2,623.39 and 709.73 is: 1,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.14 : 2,623.39 = 709.73 : x
  2. Step 2: Convert to fraction form
    1,750.14/2,623.39 = 709.73/x
  3. Step 3: Cross multiply
    1,750.14x = 2,623.39 × 709.73
  4. Step 4: Simplify right side
    1,750.14x = 1,861,893.53
  5. Step 5: Solve for x
    x = 1,861,893.53/1,750.14
  6. Step 6: Final answer
    x = 1,063.85

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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.