Home / 3,897.36-5,372.76-3,335.28

Finding the Fourth Proportional to 3,897.36, 5,372.76 and 3,335.28

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Solution

The fourth proportional to 3,897.36, 5,372.76 and 3,335.28 is: 4,597.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.36 : 5,372.76 = 3,335.28 : x
  2. Step 2: Convert to fraction form
    3,897.36/5,372.76 = 3,335.28/x
  3. Step 3: Cross multiply
    3,897.36x = 5,372.76 × 3,335.28
  4. Step 4: Simplify right side
    3,897.36x = 17,919,658.97
  5. Step 5: Solve for x
    x = 17,919,658.97/3,897.36
  6. Step 6: Final answer
    x = 4,597.90

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1.5x scale

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.