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Finding the Fourth Proportional to 3,379.94, 5,068.41 and 1,530.98

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Solution

The fourth proportional to 3,379.94, 5,068.41 and 1,530.98 is: 2,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.94 : 5,068.41 = 1,530.98 : x
  2. Step 2: Convert to fraction form
    3,379.94/5,068.41 = 1,530.98/x
  3. Step 3: Cross multiply
    3,379.94x = 5,068.41 × 1,530.98
  4. Step 4: Simplify right side
    3,379.94x = 7,759,609.00
  5. Step 5: Solve for x
    x = 7,759,609.00/3,379.94
  6. Step 6: Final answer
    x = 2,295.79

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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.