Home / 3,873.56-5,345.50-2,195.29

Finding the Fourth Proportional to 3,873.56, 5,345.50 and 2,195.29

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Solution

The fourth proportional to 3,873.56, 5,345.50 and 2,195.29 is: 3,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.56 : 5,345.50 = 2,195.29 : x
  2. Step 2: Convert to fraction form
    3,873.56/5,345.50 = 2,195.29/x
  3. Step 3: Cross multiply
    3,873.56x = 5,345.50 × 2,195.29
  4. Step 4: Simplify right side
    3,873.56x = 11,734,884.99
  5. Step 5: Solve for x
    x = 11,734,884.99/3,873.56
  6. Step 6: Final answer
    x = 3,029.49

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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.