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Finding the Fourth Proportional to 2,789, 4,183.58 and 737

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Solution

The fourth proportional to 2,789, 4,183.58 and 737 is: 1,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789 : 4,183.58 = 737 : x
  2. Step 2: Convert to fraction form
    2,789/4,183.58 = 737/x
  3. Step 3: Cross multiply
    2,789x = 4,183.58 × 737
  4. Step 4: Simplify right side
    2,789x = 3,083,298.46
  5. Step 5: Solve for x
    x = 3,083,298.46/2,789
  6. Step 6: Final answer
    x = 1,105.52

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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.