Home / 2,992.82-4,490.76-1,328.08

Finding the Fourth Proportional to 2,992.82, 4,490.76 and 1,328.08

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Solution

The fourth proportional to 2,992.82, 4,490.76 and 1,328.08 is: 1,992.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.82 : 4,490.76 = 1,328.08 : x
  2. Step 2: Convert to fraction form
    2,992.82/4,490.76 = 1,328.08/x
  3. Step 3: Cross multiply
    2,992.82x = 4,490.76 × 1,328.08
  4. Step 4: Simplify right side
    2,992.82x = 5,964,102.09
  5. Step 5: Solve for x
    x = 5,964,102.09/2,992.82
  6. Step 6: Final answer
    x = 1,992.81

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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.