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Finding the Fourth Proportional to 3,408.63, 5,108.67 and 1,458.54

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Solution

The fourth proportional to 3,408.63, 5,108.67 and 1,458.54 is: 2,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.63 : 5,108.67 = 1,458.54 : x
  2. Step 2: Convert to fraction form
    3,408.63/5,108.67 = 1,458.54/x
  3. Step 3: Cross multiply
    3,408.63x = 5,108.67 × 1,458.54
  4. Step 4: Simplify right side
    3,408.63x = 7,451,199.54
  5. Step 5: Solve for x
    x = 7,451,199.54/3,408.63
  6. Step 6: Final answer
    x = 2,185.98

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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.