Home / 3,181.78-4,392.33-2,004.58

Finding the Fourth Proportional to 3,181.78, 4,392.33 and 2,004.58

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Solution

The fourth proportional to 3,181.78, 4,392.33 and 2,004.58 is: 2,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.78 : 4,392.33 = 2,004.58 : x
  2. Step 2: Convert to fraction form
    3,181.78/4,392.33 = 2,004.58/x
  3. Step 3: Cross multiply
    3,181.78x = 4,392.33 × 2,004.58
  4. Step 4: Simplify right side
    3,181.78x = 8,804,776.87
  5. Step 5: Solve for x
    x = 8,804,776.87/3,181.78
  6. Step 6: Final answer
    x = 2,767.25

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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.