Home / 3,745.12-5,617.70-1,664.63

Finding the Fourth Proportional to 3,745.12, 5,617.70 and 1,664.63

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Solution

The fourth proportional to 3,745.12, 5,617.70 and 1,664.63 is: 2,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.12 : 5,617.70 = 1,664.63 : x
  2. Step 2: Convert to fraction form
    3,745.12/5,617.70 = 1,664.63/x
  3. Step 3: Cross multiply
    3,745.12x = 5,617.70 × 1,664.63
  4. Step 4: Simplify right side
    3,745.12x = 9,351,383.63
  5. Step 5: Solve for x
    x = 9,351,383.63/3,745.12
  6. Step 6: Final answer
    x = 2,496.96

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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.