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Finding the Fourth Proportional to 2,745.94, 3,789.03 and 1,551.01

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Solution

The fourth proportional to 2,745.94, 3,789.03 and 1,551.01 is: 2,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.94 : 3,789.03 = 1,551.01 : x
  2. Step 2: Convert to fraction form
    2,745.94/3,789.03 = 1,551.01/x
  3. Step 3: Cross multiply
    2,745.94x = 3,789.03 × 1,551.01
  4. Step 4: Simplify right side
    2,745.94x = 5,876,823.42
  5. Step 5: Solve for x
    x = 5,876,823.42/2,745.94
  6. Step 6: Final answer
    x = 2,140.19

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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.