Home / 2,002.62-3,003.94-1,269.98

Finding the Fourth Proportional to 2,002.62, 3,003.94 and 1,269.98

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Solution

The fourth proportional to 2,002.62, 3,003.94 and 1,269.98 is: 1,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.62 : 3,003.94 = 1,269.98 : x
  2. Step 2: Convert to fraction form
    2,002.62/3,003.94 = 1,269.98/x
  3. Step 3: Cross multiply
    2,002.62x = 3,003.94 × 1,269.98
  4. Step 4: Simplify right side
    2,002.62x = 3,814,934.41
  5. Step 5: Solve for x
    x = 3,814,934.41/2,002.62
  6. Step 6: Final answer
    x = 1,904.97

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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.