Home / 2,208.77-3,042.80-1,893.03

Finding the Fourth Proportional to 2,208.77, 3,042.80 and 1,893.03

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Solution

The fourth proportional to 2,208.77, 3,042.80 and 1,893.03 is: 2,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.77 : 3,042.80 = 1,893.03 : x
  2. Step 2: Convert to fraction form
    2,208.77/3,042.80 = 1,893.03/x
  3. Step 3: Cross multiply
    2,208.77x = 3,042.80 × 1,893.03
  4. Step 4: Simplify right side
    2,208.77x = 5,760,102.22
  5. Step 5: Solve for x
    x = 5,760,102.22/2,208.77
  6. Step 6: Final answer
    x = 2,607.84

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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.