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Finding the Fourth Proportional to 3,671.01, 5,507.19 and 1,206.54

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Solution

The fourth proportional to 3,671.01, 5,507.19 and 1,206.54 is: 1,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.01 : 5,507.19 = 1,206.54 : x
  2. Step 2: Convert to fraction form
    3,671.01/5,507.19 = 1,206.54/x
  3. Step 3: Cross multiply
    3,671.01x = 5,507.19 × 1,206.54
  4. Step 4: Simplify right side
    3,671.01x = 6,644,645.02
  5. Step 5: Solve for x
    x = 6,644,645.02/3,671.01
  6. Step 6: Final answer
    x = 1,810.03

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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.