Home / 3,873.29-5,345.09-2,104.85

Finding the Fourth Proportional to 3,873.29, 5,345.09 and 2,104.85

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Solution

The fourth proportional to 3,873.29, 5,345.09 and 2,104.85 is: 2,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.29 : 5,345.09 = 2,104.85 : x
  2. Step 2: Convert to fraction form
    3,873.29/5,345.09 = 2,104.85/x
  3. Step 3: Cross multiply
    3,873.29x = 5,345.09 × 2,104.85
  4. Step 4: Simplify right side
    3,873.29x = 11,250,623.42
  5. Step 5: Solve for x
    x = 11,250,623.42/3,873.29
  6. Step 6: Final answer
    x = 2,904.67

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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.