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Finding the Fourth Proportional to 3,325.64, 4,983.06 and 1,765.52

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Solution

The fourth proportional to 3,325.64, 4,983.06 and 1,765.52 is: 2,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.64 : 4,983.06 = 1,765.52 : x
  2. Step 2: Convert to fraction form
    3,325.64/4,983.06 = 1,765.52/x
  3. Step 3: Cross multiply
    3,325.64x = 4,983.06 × 1,765.52
  4. Step 4: Simplify right side
    3,325.64x = 8,797,692.09
  5. Step 5: Solve for x
    x = 8,797,692.09/3,325.64
  6. Step 6: Final answer
    x = 2,645.41

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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.