Home / 2,027.61-3,021.32-1,809.51

Finding the Fourth Proportional to 2,027.61, 3,021.32 and 1,809.51

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Solution

The fourth proportional to 2,027.61, 3,021.32 and 1,809.51 is: 2,696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.61 : 3,021.32 = 1,809.51 : x
  2. Step 2: Convert to fraction form
    2,027.61/3,021.32 = 1,809.51/x
  3. Step 3: Cross multiply
    2,027.61x = 3,021.32 × 1,809.51
  4. Step 4: Simplify right side
    2,027.61x = 5,467,099.71
  5. Step 5: Solve for x
    x = 5,467,099.71/2,027.61
  6. Step 6: Final answer
    x = 2,696.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.