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Finding the Fourth Proportional to 2,305.78, 3,455.43 and 1,004.52

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Solution

The fourth proportional to 2,305.78, 3,455.43 and 1,004.52 is: 1,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.78 : 3,455.43 = 1,004.52 : x
  2. Step 2: Convert to fraction form
    2,305.78/3,455.43 = 1,004.52/x
  3. Step 3: Cross multiply
    2,305.78x = 3,455.43 × 1,004.52
  4. Step 4: Simplify right side
    2,305.78x = 3,471,048.54
  5. Step 5: Solve for x
    x = 3,471,048.54/2,305.78
  6. Step 6: Final answer
    x = 1,505.37

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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.