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Finding the Fourth Proportional to 2,253.03, 3,379.55 and 792.47

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Solution

The fourth proportional to 2,253.03, 3,379.55 and 792.47 is: 1,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.03 : 3,379.55 = 792.47 : x
  2. Step 2: Convert to fraction form
    2,253.03/3,379.55 = 792.47/x
  3. Step 3: Cross multiply
    2,253.03x = 3,379.55 × 792.47
  4. Step 4: Simplify right side
    2,253.03x = 2,678,171.13
  5. Step 5: Solve for x
    x = 2,678,171.13/2,253.03
  6. Step 6: Final answer
    x = 1,188.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.