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Finding the Fourth Proportional to 2,018.68, 3,027.94 and 786.37

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Solution

The fourth proportional to 2,018.68, 3,027.94 and 786.37 is: 1,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.68 : 3,027.94 = 786.37 : x
  2. Step 2: Convert to fraction form
    2,018.68/3,027.94 = 786.37/x
  3. Step 3: Cross multiply
    2,018.68x = 3,027.94 × 786.37
  4. Step 4: Simplify right side
    2,018.68x = 2,381,081.18
  5. Step 5: Solve for x
    x = 2,381,081.18/2,018.68
  6. Step 6: Final answer
    x = 1,179.52

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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.