Home / 2,726.58-4,092.31-1,905.51

Finding the Fourth Proportional to 2,726.58, 4,092.31 and 1,905.51

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Solution

The fourth proportional to 2,726.58, 4,092.31 and 1,905.51 is: 2,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.58 : 4,092.31 = 1,905.51 : x
  2. Step 2: Convert to fraction form
    2,726.58/4,092.31 = 1,905.51/x
  3. Step 3: Cross multiply
    2,726.58x = 4,092.31 × 1,905.51
  4. Step 4: Simplify right side
    2,726.58x = 7,797,944.64
  5. Step 5: Solve for x
    x = 7,797,944.64/2,726.58
  6. Step 6: Final answer
    x = 2,859.97

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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.