Home / 3,486.72-5,231.45-1,537.56

Finding the Fourth Proportional to 3,486.72, 5,231.45 and 1,537.56

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Solution

The fourth proportional to 3,486.72, 5,231.45 and 1,537.56 is: 2,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.72 : 5,231.45 = 1,537.56 : x
  2. Step 2: Convert to fraction form
    3,486.72/5,231.45 = 1,537.56/x
  3. Step 3: Cross multiply
    3,486.72x = 5,231.45 × 1,537.56
  4. Step 4: Simplify right side
    3,486.72x = 8,043,668.26
  5. Step 5: Solve for x
    x = 8,043,668.26/3,486.72
  6. Step 6: Final answer
    x = 2,306.94

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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.