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Finding the Fourth Proportional to 3,817.28, 5,733.60 and 3,335.36

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Solution

The fourth proportional to 3,817.28, 5,733.60 and 3,335.36 is: 5,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.28 : 5,733.60 = 3,335.36 : x
  2. Step 2: Convert to fraction form
    3,817.28/5,733.60 = 3,335.36/x
  3. Step 3: Cross multiply
    3,817.28x = 5,733.60 × 3,335.36
  4. Step 4: Simplify right side
    3,817.28x = 19,123,620.10
  5. Step 5: Solve for x
    x = 19,123,620.10/3,817.28
  6. Step 6: Final answer
    x = 5,009.75

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1.5x scale

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.