Home / 1,992.36-2,985.80-1,016.41

Finding the Fourth Proportional to 1,992.36, 2,985.80 and 1,016.41

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Solution

The fourth proportional to 1,992.36, 2,985.80 and 1,016.41 is: 1,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.36 : 2,985.80 = 1,016.41 : x
  2. Step 2: Convert to fraction form
    1,992.36/2,985.80 = 1,016.41/x
  3. Step 3: Cross multiply
    1,992.36x = 2,985.80 × 1,016.41
  4. Step 4: Simplify right side
    1,992.36x = 3,034,796.98
  5. Step 5: Solve for x
    x = 3,034,796.98/1,992.36
  6. Step 6: Final answer
    x = 1,523.22

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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.