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Finding the Fourth Proportional to 3,379.52, 4,663.84 and 1,887.52

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Solution

The fourth proportional to 3,379.52, 4,663.84 and 1,887.52 is: 2,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.52 : 4,663.84 = 1,887.52 : x
  2. Step 2: Convert to fraction form
    3,379.52/4,663.84 = 1,887.52/x
  3. Step 3: Cross multiply
    3,379.52x = 4,663.84 × 1,887.52
  4. Step 4: Simplify right side
    3,379.52x = 8,803,091.28
  5. Step 5: Solve for x
    x = 8,803,091.28/3,379.52
  6. Step 6: Final answer
    x = 2,604.83

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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.