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Finding the Fourth Proportional to 3,402.01, 4,695.05 and 1,910.03

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Solution

The fourth proportional to 3,402.01, 4,695.05 and 1,910.03 is: 2,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.01 : 4,695.05 = 1,910.03 : x
  2. Step 2: Convert to fraction form
    3,402.01/4,695.05 = 1,910.03/x
  3. Step 3: Cross multiply
    3,402.01x = 4,695.05 × 1,910.03
  4. Step 4: Simplify right side
    3,402.01x = 8,967,653.33
  5. Step 5: Solve for x
    x = 8,967,653.33/3,402.01
  6. Step 6: Final answer
    x = 2,635.99

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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.