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Finding the Fourth Proportional to 2,758.82, 3,807.41 and 1,579.98

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Solution

The fourth proportional to 2,758.82, 3,807.41 and 1,579.98 is: 2,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.82 : 3,807.41 = 1,579.98 : x
  2. Step 2: Convert to fraction form
    2,758.82/3,807.41 = 1,579.98/x
  3. Step 3: Cross multiply
    2,758.82x = 3,807.41 × 1,579.98
  4. Step 4: Simplify right side
    2,758.82x = 6,015,623.75
  5. Step 5: Solve for x
    x = 6,015,623.75/2,758.82
  6. Step 6: Final answer
    x = 2,180.50

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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.