Home / 3,935.12-5,905.71-1,745.35

Finding the Fourth Proportional to 3,935.12, 5,905.71 and 1,745.35

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Solution

The fourth proportional to 3,935.12, 5,905.71 and 1,745.35 is: 2,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.12 : 5,905.71 = 1,745.35 : x
  2. Step 2: Convert to fraction form
    3,935.12/5,905.71 = 1,745.35/x
  3. Step 3: Cross multiply
    3,935.12x = 5,905.71 × 1,745.35
  4. Step 4: Simplify right side
    3,935.12x = 10,307,516.18
  5. Step 5: Solve for x
    x = 10,307,516.18/3,935.12
  6. Step 6: Final answer
    x = 2,619.37

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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.