Home / 3,620.37-5,431.23-1,646.14

Finding the Fourth Proportional to 3,620.37, 5,431.23 and 1,646.14

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Solution

The fourth proportional to 3,620.37, 5,431.23 and 1,646.14 is: 2,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.37 : 5,431.23 = 1,646.14 : x
  2. Step 2: Convert to fraction form
    3,620.37/5,431.23 = 1,646.14/x
  3. Step 3: Cross multiply
    3,620.37x = 5,431.23 × 1,646.14
  4. Step 4: Simplify right side
    3,620.37x = 8,940,564.95
  5. Step 5: Solve for x
    x = 8,940,564.95/3,620.37
  6. Step 6: Final answer
    x = 2,469.52

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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.