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Finding the Fourth Proportional to 2,855.82, 4,284.33 and 1,006.98

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Solution

The fourth proportional to 2,855.82, 4,284.33 and 1,006.98 is: 1,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.82 : 4,284.33 = 1,006.98 : x
  2. Step 2: Convert to fraction form
    2,855.82/4,284.33 = 1,006.98/x
  3. Step 3: Cross multiply
    2,855.82x = 4,284.33 × 1,006.98
  4. Step 4: Simplify right side
    2,855.82x = 4,314,234.62
  5. Step 5: Solve for x
    x = 4,314,234.62/2,855.82
  6. Step 6: Final answer
    x = 1,510.68

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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.