Home / 3,648.21-5,459.34-2,671.89

Finding the Fourth Proportional to 3,648.21, 5,459.34 and 2,671.89

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Solution

The fourth proportional to 3,648.21, 5,459.34 and 2,671.89 is: 3,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.21 : 5,459.34 = 2,671.89 : x
  2. Step 2: Convert to fraction form
    3,648.21/5,459.34 = 2,671.89/x
  3. Step 3: Cross multiply
    3,648.21x = 5,459.34 × 2,671.89
  4. Step 4: Simplify right side
    3,648.21x = 14,586,755.95
  5. Step 5: Solve for x
    x = 14,586,755.95/3,648.21
  6. Step 6: Final answer
    x = 3,998.33

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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.