Home / 3,897.36-5,384.04-3,372.48

Finding the Fourth Proportional to 3,897.36, 5,384.04 and 3,372.48

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Solution

The fourth proportional to 3,897.36, 5,384.04 and 3,372.48 is: 4,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.36 : 5,384.04 = 3,372.48 : x
  2. Step 2: Convert to fraction form
    3,897.36/5,384.04 = 3,372.48/x
  3. Step 3: Cross multiply
    3,897.36x = 5,384.04 × 3,372.48
  4. Step 4: Simplify right side
    3,897.36x = 18,157,540.30
  5. Step 5: Solve for x
    x = 18,157,540.30/3,897.36
  6. Step 6: Final answer
    x = 4,658.94

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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.