Home / 3,801.38-5,702.64-1,335.76

Finding the Fourth Proportional to 3,801.38, 5,702.64 and 1,335.76

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Solution

The fourth proportional to 3,801.38, 5,702.64 and 1,335.76 is: 2,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.38 : 5,702.64 = 1,335.76 : x
  2. Step 2: Convert to fraction form
    3,801.38/5,702.64 = 1,335.76/x
  3. Step 3: Cross multiply
    3,801.38x = 5,702.64 × 1,335.76
  4. Step 4: Simplify right side
    3,801.38x = 7,617,351.73
  5. Step 5: Solve for x
    x = 7,617,351.73/3,801.38
  6. Step 6: Final answer
    x = 2,003.84

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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.