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Finding the Fourth Proportional to 3,755.22, 5,631.48 and 1,673.16

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Solution

The fourth proportional to 3,755.22, 5,631.48 and 1,673.16 is: 2,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.22 : 5,631.48 = 1,673.16 : x
  2. Step 2: Convert to fraction form
    3,755.22/5,631.48 = 1,673.16/x
  3. Step 3: Cross multiply
    3,755.22x = 5,631.48 × 1,673.16
  4. Step 4: Simplify right side
    3,755.22x = 9,422,367.08
  5. Step 5: Solve for x
    x = 9,422,367.08/3,755.22
  6. Step 6: Final answer
    x = 2,509.14

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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.