Home / 3,676.38-5,515.34-1,485.11

Finding the Fourth Proportional to 3,676.38, 5,515.34 and 1,485.11

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Solution

The fourth proportional to 3,676.38, 5,515.34 and 1,485.11 is: 2,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.38 : 5,515.34 = 1,485.11 : x
  2. Step 2: Convert to fraction form
    3,676.38/5,515.34 = 1,485.11/x
  3. Step 3: Cross multiply
    3,676.38x = 5,515.34 × 1,485.11
  4. Step 4: Simplify right side
    3,676.38x = 8,190,885.79
  5. Step 5: Solve for x
    x = 8,190,885.79/3,676.38
  6. Step 6: Final answer
    x = 2,227.98

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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.