Home / 3,873.41-5,345.35-2,105.04

Finding the Fourth Proportional to 3,873.41, 5,345.35 and 2,105.04

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Solution

The fourth proportional to 3,873.41, 5,345.35 and 2,105.04 is: 2,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.41 : 5,345.35 = 2,105.04 : x
  2. Step 2: Convert to fraction form
    3,873.41/5,345.35 = 2,105.04/x
  3. Step 3: Cross multiply
    3,873.41x = 5,345.35 × 2,105.04
  4. Step 4: Simplify right side
    3,873.41x = 11,252,175.56
  5. Step 5: Solve for x
    x = 11,252,175.56/3,873.41
  6. Step 6: Final answer
    x = 2,904.98

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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.