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Finding the Fourth Proportional to 3,201.51, 4,805.23 and 1,642.62

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Solution

The fourth proportional to 3,201.51, 4,805.23 and 1,642.62 is: 2,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.51 : 4,805.23 = 1,642.62 : x
  2. Step 2: Convert to fraction form
    3,201.51/4,805.23 = 1,642.62/x
  3. Step 3: Cross multiply
    3,201.51x = 4,805.23 × 1,642.62
  4. Step 4: Simplify right side
    3,201.51x = 7,893,166.90
  5. Step 5: Solve for x
    x = 7,893,166.90/3,201.51
  6. Step 6: Final answer
    x = 2,465.45

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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.