Home / 2,782.98-4,171.39-1,857.26

Finding the Fourth Proportional to 2,782.98, 4,171.39 and 1,857.26

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Solution

The fourth proportional to 2,782.98, 4,171.39 and 1,857.26 is: 2,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.98 : 4,171.39 = 1,857.26 : x
  2. Step 2: Convert to fraction form
    2,782.98/4,171.39 = 1,857.26/x
  3. Step 3: Cross multiply
    2,782.98x = 4,171.39 × 1,857.26
  4. Step 4: Simplify right side
    2,782.98x = 7,747,346.51
  5. Step 5: Solve for x
    x = 7,747,346.51/2,782.98
  6. Step 6: Final answer
    x = 2,783.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.