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Finding the Fourth Proportional to 3,399.00, 4,690.81 and 1,907.08

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Solution

The fourth proportional to 3,399.00, 4,690.81 and 1,907.08 is: 2,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.00 : 4,690.81 = 1,907.08 : x
  2. Step 2: Convert to fraction form
    3,399.00/4,690.81 = 1,907.08/x
  3. Step 3: Cross multiply
    3,399.00x = 4,690.81 × 1,907.08
  4. Step 4: Simplify right side
    3,399.00x = 8,945,740.59
  5. Step 5: Solve for x
    x = 8,945,740.59/3,399.00
  6. Step 6: Final answer
    x = 2,631.88

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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.