Home / 3,858.21-5,785.83-2,298.51

Finding the Fourth Proportional to 3,858.21, 5,785.83 and 2,298.51

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Solution

The fourth proportional to 3,858.21, 5,785.83 and 2,298.51 is: 3,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.21 : 5,785.83 = 2,298.51 : x
  2. Step 2: Convert to fraction form
    3,858.21/5,785.83 = 2,298.51/x
  3. Step 3: Cross multiply
    3,858.21x = 5,785.83 × 2,298.51
  4. Step 4: Simplify right side
    3,858.21x = 13,298,788.11
  5. Step 5: Solve for x
    x = 13,298,788.11/3,858.21
  6. Step 6: Final answer
    x = 3,446.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.