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Finding the Fourth Proportional to 3,977.72, 5,962.04 and 1,894.77

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Solution

The fourth proportional to 3,977.72, 5,962.04 and 1,894.77 is: 2,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.72 : 5,962.04 = 1,894.77 : x
  2. Step 2: Convert to fraction form
    3,977.72/5,962.04 = 1,894.77/x
  3. Step 3: Cross multiply
    3,977.72x = 5,962.04 × 1,894.77
  4. Step 4: Simplify right side
    3,977.72x = 11,296,692.16
  5. Step 5: Solve for x
    x = 11,296,692.16/3,977.72
  6. Step 6: Final answer
    x = 2,839.99

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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.