Home / 2,009.92-3,007.98-1,269.19

Finding the Fourth Proportional to 2,009.92, 3,007.98 and 1,269.19

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Solution

The fourth proportional to 2,009.92, 3,007.98 and 1,269.19 is: 1,899.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.92 : 3,007.98 = 1,269.19 : x
  2. Step 2: Convert to fraction form
    2,009.92/3,007.98 = 1,269.19/x
  3. Step 3: Cross multiply
    2,009.92x = 3,007.98 × 1,269.19
  4. Step 4: Simplify right side
    2,009.92x = 3,817,698.14
  5. Step 5: Solve for x
    x = 3,817,698.14/2,009.92
  6. Step 6: Final answer
    x = 1,899.43

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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.