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Finding the Fourth Proportional to 3,804.54, 5,700.54 and 1,721.64

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Solution

The fourth proportional to 3,804.54, 5,700.54 and 1,721.64 is: 2,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.54 : 5,700.54 = 1,721.64 : x
  2. Step 2: Convert to fraction form
    3,804.54/5,700.54 = 1,721.64/x
  3. Step 3: Cross multiply
    3,804.54x = 5,700.54 × 1,721.64
  4. Step 4: Simplify right side
    3,804.54x = 9,814,277.69
  5. Step 5: Solve for x
    x = 9,814,277.69/3,804.54
  6. Step 6: Final answer
    x = 2,579.62

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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.