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Finding the Fourth Proportional to 3,353, 4,627.14 and 1,881

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Solution

The fourth proportional to 3,353, 4,627.14 and 1,881 is: 2,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353 : 4,627.14 = 1,881 : x
  2. Step 2: Convert to fraction form
    3,353/4,627.14 = 1,881/x
  3. Step 3: Cross multiply
    3,353x = 4,627.14 × 1,881
  4. Step 4: Simplify right side
    3,353x = 8,703,650.34
  5. Step 5: Solve for x
    x = 8,703,650.34/3,353
  6. Step 6: Final answer
    x = 2,595.78

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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.