Home / 3,317.94-4,580.10-1,991.82

Finding the Fourth Proportional to 3,317.94, 4,580.10 and 1,991.82

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Solution

The fourth proportional to 3,317.94, 4,580.10 and 1,991.82 is: 2,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.94 : 4,580.10 = 1,991.82 : x
  2. Step 2: Convert to fraction form
    3,317.94/4,580.10 = 1,991.82/x
  3. Step 3: Cross multiply
    3,317.94x = 4,580.10 × 1,991.82
  4. Step 4: Simplify right side
    3,317.94x = 9,122,734.78
  5. Step 5: Solve for x
    x = 9,122,734.78/3,317.94
  6. Step 6: Final answer
    x = 2,749.52

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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.