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Finding the Fourth Proportional to 3,650.02, 5,037.05 and 2,078.02

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Solution

The fourth proportional to 3,650.02, 5,037.05 and 2,078.02 is: 2,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.02 : 5,037.05 = 2,078.02 : x
  2. Step 2: Convert to fraction form
    3,650.02/5,037.05 = 2,078.02/x
  3. Step 3: Cross multiply
    3,650.02x = 5,037.05 × 2,078.02
  4. Step 4: Simplify right side
    3,650.02x = 10,467,090.64
  5. Step 5: Solve for x
    x = 10,467,090.64/3,650.02
  6. Step 6: Final answer
    x = 2,867.68

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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.