Home / 3,935.37-5,903.87-3,290.61

Finding the Fourth Proportional to 3,935.37, 5,903.87 and 3,290.61

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Solution

The fourth proportional to 3,935.37, 5,903.87 and 3,290.61 is: 4,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.37 : 5,903.87 = 3,290.61 : x
  2. Step 2: Convert to fraction form
    3,935.37/5,903.87 = 3,290.61/x
  3. Step 3: Cross multiply
    3,935.37x = 5,903.87 × 3,290.61
  4. Step 4: Simplify right side
    3,935.37x = 19,427,333.66
  5. Step 5: Solve for x
    x = 19,427,333.66/3,935.37
  6. Step 6: Final answer
    x = 4,936.60

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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.