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Finding the Fourth Proportional to 3,887.91, 5,832.54 and 1,807.52

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Solution

The fourth proportional to 3,887.91, 5,832.54 and 1,807.52 is: 2,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.91 : 5,832.54 = 1,807.52 : x
  2. Step 2: Convert to fraction form
    3,887.91/5,832.54 = 1,807.52/x
  3. Step 3: Cross multiply
    3,887.91x = 5,832.54 × 1,807.52
  4. Step 4: Simplify right side
    3,887.91x = 10,542,403.54
  5. Step 5: Solve for x
    x = 10,542,403.54/3,887.91
  6. Step 6: Final answer
    x = 2,711.59

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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.