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Finding the Fourth Proportional to 3,308, 4,565.04 and 1,910.75

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Solution

The fourth proportional to 3,308, 4,565.04 and 1,910.75 is: 2,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308 : 4,565.04 = 1,910.75 : x
  2. Step 2: Convert to fraction form
    3,308/4,565.04 = 1,910.75/x
  3. Step 3: Cross multiply
    3,308x = 4,565.04 × 1,910.75
  4. Step 4: Simplify right side
    3,308x = 8,722,650.18
  5. Step 5: Solve for x
    x = 8,722,650.18/3,308
  6. Step 6: Final answer
    x = 2,636.84

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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.