Home / 3,785.22-5,676.52-1,445.89

Finding the Fourth Proportional to 3,785.22, 5,676.52 and 1,445.89

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Solution

The fourth proportional to 3,785.22, 5,676.52 and 1,445.89 is: 2,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.22 : 5,676.52 = 1,445.89 : x
  2. Step 2: Convert to fraction form
    3,785.22/5,676.52 = 1,445.89/x
  3. Step 3: Cross multiply
    3,785.22x = 5,676.52 × 1,445.89
  4. Step 4: Simplify right side
    3,785.22x = 8,207,623.50
  5. Step 5: Solve for x
    x = 8,207,623.50/3,785.22
  6. Step 6: Final answer
    x = 2,168.33

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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.