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Finding the Fourth Proportional to 3,652.37, 5,475.99 and 1,279.87

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Solution

The fourth proportional to 3,652.37, 5,475.99 and 1,279.87 is: 1,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.37 : 5,475.99 = 1,279.87 : x
  2. Step 2: Convert to fraction form
    3,652.37/5,475.99 = 1,279.87/x
  3. Step 3: Cross multiply
    3,652.37x = 5,475.99 × 1,279.87
  4. Step 4: Simplify right side
    3,652.37x = 7,008,555.32
  5. Step 5: Solve for x
    x = 7,008,555.32/3,652.37
  6. Step 6: Final answer
    x = 1,918.91

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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.