Home / 3,901.54-5,383.29-2,408.98

Finding the Fourth Proportional to 3,901.54, 5,383.29 and 2,408.98

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Solution

The fourth proportional to 3,901.54, 5,383.29 and 2,408.98 is: 3,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.54 : 5,383.29 = 2,408.98 : x
  2. Step 2: Convert to fraction form
    3,901.54/5,383.29 = 2,408.98/x
  3. Step 3: Cross multiply
    3,901.54x = 5,383.29 × 2,408.98
  4. Step 4: Simplify right side
    3,901.54x = 12,968,237.94
  5. Step 5: Solve for x
    x = 12,968,237.94/3,901.54
  6. Step 6: Final answer
    x = 3,323.88

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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.