Home / 3,873.34-5,345.26-2,194.70

Finding the Fourth Proportional to 3,873.34, 5,345.26 and 2,194.70

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Solution

The fourth proportional to 3,873.34, 5,345.26 and 2,194.70 is: 3,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.34 : 5,345.26 = 2,194.70 : x
  2. Step 2: Convert to fraction form
    3,873.34/5,345.26 = 2,194.70/x
  3. Step 3: Cross multiply
    3,873.34x = 5,345.26 × 2,194.70
  4. Step 4: Simplify right side
    3,873.34x = 11,731,242.12
  5. Step 5: Solve for x
    x = 11,731,242.12/3,873.34
  6. Step 6: Final answer
    x = 3,028.71

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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.