Home / 1,992.16-2,749.44-1,363.33

Finding the Fourth Proportional to 1,992.16, 2,749.44 and 1,363.33

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Solution

The fourth proportional to 1,992.16, 2,749.44 and 1,363.33 is: 1,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.16 : 2,749.44 = 1,363.33 : x
  2. Step 2: Convert to fraction form
    1,992.16/2,749.44 = 1,363.33/x
  3. Step 3: Cross multiply
    1,992.16x = 2,749.44 × 1,363.33
  4. Step 4: Simplify right side
    1,992.16x = 3,748,394.04
  5. Step 5: Solve for x
    x = 3,748,394.04/1,992.16
  6. Step 6: Final answer
    x = 1,881.57

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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.