Home / 3,905.16-5,857.74-3,676.89

Finding the Fourth Proportional to 3,905.16, 5,857.74 and 3,676.89

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Solution

The fourth proportional to 3,905.16, 5,857.74 and 3,676.89 is: 5,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.16 : 5,857.74 = 3,676.89 : x
  2. Step 2: Convert to fraction form
    3,905.16/5,857.74 = 3,676.89/x
  3. Step 3: Cross multiply
    3,905.16x = 5,857.74 × 3,676.89
  4. Step 4: Simplify right side
    3,905.16x = 21,538,297.94
  5. Step 5: Solve for x
    x = 21,538,297.94/3,905.16
  6. Step 6: Final answer
    x = 5,515.34

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Similar ratio
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1.5x scale

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.