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Finding the Fourth Proportional to 3,402.34, 5,103.48 and 1,093.84

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Solution

The fourth proportional to 3,402.34, 5,103.48 and 1,093.84 is: 1,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.34 : 5,103.48 = 1,093.84 : x
  2. Step 2: Convert to fraction form
    3,402.34/5,103.48 = 1,093.84/x
  3. Step 3: Cross multiply
    3,402.34x = 5,103.48 × 1,093.84
  4. Step 4: Simplify right side
    3,402.34x = 5,582,390.56
  5. Step 5: Solve for x
    x = 5,582,390.56/3,402.34
  6. Step 6: Final answer
    x = 1,640.75

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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.