Home / 3,583.88-4,945.74-2,091.86

Finding the Fourth Proportional to 3,583.88, 4,945.74 and 2,091.86

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Solution

The fourth proportional to 3,583.88, 4,945.74 and 2,091.86 is: 2,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.88 : 4,945.74 = 2,091.86 : x
  2. Step 2: Convert to fraction form
    3,583.88/4,945.74 = 2,091.86/x
  3. Step 3: Cross multiply
    3,583.88x = 4,945.74 × 2,091.86
  4. Step 4: Simplify right side
    3,583.88x = 10,345,795.68
  5. Step 5: Solve for x
    x = 10,345,795.68/3,583.88
  6. Step 6: Final answer
    x = 2,886.76

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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.