Home / 2,802.09-3,866.89-1,623.85

Finding the Fourth Proportional to 2,802.09, 3,866.89 and 1,623.85

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Solution

The fourth proportional to 2,802.09, 3,866.89 and 1,623.85 is: 2,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.09 : 3,866.89 = 1,623.85 : x
  2. Step 2: Convert to fraction form
    2,802.09/3,866.89 = 1,623.85/x
  3. Step 3: Cross multiply
    2,802.09x = 3,866.89 × 1,623.85
  4. Step 4: Simplify right side
    2,802.09x = 6,279,238.64
  5. Step 5: Solve for x
    x = 6,279,238.64/2,802.09
  6. Step 6: Final answer
    x = 2,240.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.