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Finding the Fourth Proportional to 1,881.67, 2,819.77 and 1,334.92

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Solution

The fourth proportional to 1,881.67, 2,819.77 and 1,334.92 is: 2,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.67 : 2,819.77 = 1,334.92 : x
  2. Step 2: Convert to fraction form
    1,881.67/2,819.77 = 1,334.92/x
  3. Step 3: Cross multiply
    1,881.67x = 2,819.77 × 1,334.92
  4. Step 4: Simplify right side
    1,881.67x = 3,764,156.98
  5. Step 5: Solve for x
    x = 3,764,156.98/1,881.67
  6. Step 6: Final answer
    x = 2,000.44

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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.