Home / 3,575.34-5,353.80-2,115.54

Finding the Fourth Proportional to 3,575.34, 5,353.80 and 2,115.54

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Solution

The fourth proportional to 3,575.34, 5,353.80 and 2,115.54 is: 3,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.34 : 5,353.80 = 2,115.54 : x
  2. Step 2: Convert to fraction form
    3,575.34/5,353.80 = 2,115.54/x
  3. Step 3: Cross multiply
    3,575.34x = 5,353.80 × 2,115.54
  4. Step 4: Simplify right side
    3,575.34x = 11,326,178.05
  5. Step 5: Solve for x
    x = 11,326,178.05/3,575.34
  6. Step 6: Final answer
    x = 3,167.86

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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.