Home / 3,905.00-5,853.39-1,438.25

Finding the Fourth Proportional to 3,905.00, 5,853.39 and 1,438.25

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Solution

The fourth proportional to 3,905.00, 5,853.39 and 1,438.25 is: 2,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.00 : 5,853.39 = 1,438.25 : x
  2. Step 2: Convert to fraction form
    3,905.00/5,853.39 = 1,438.25/x
  3. Step 3: Cross multiply
    3,905.00x = 5,853.39 × 1,438.25
  4. Step 4: Simplify right side
    3,905.00x = 8,418,608.90
  5. Step 5: Solve for x
    x = 8,418,608.90/3,905.00
  6. Step 6: Final answer
    x = 2,155.86

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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.