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Finding the Fourth Proportional to 2,661.73, 3,673.14 and 1,482.79

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Solution

The fourth proportional to 2,661.73, 3,673.14 and 1,482.79 is: 2,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.73 : 3,673.14 = 1,482.79 : x
  2. Step 2: Convert to fraction form
    2,661.73/3,673.14 = 1,482.79/x
  3. Step 3: Cross multiply
    2,661.73x = 3,673.14 × 1,482.79
  4. Step 4: Simplify right side
    2,661.73x = 5,446,495.26
  5. Step 5: Solve for x
    x = 5,446,495.26/2,661.73
  6. Step 6: Final answer
    x = 2,046.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.