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Finding the Fourth Proportional to 3,609.48, 5,404.48 and 2,356.97

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Solution

The fourth proportional to 3,609.48, 5,404.48 and 2,356.97 is: 3,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.48 : 5,404.48 = 2,356.97 : x
  2. Step 2: Convert to fraction form
    3,609.48/5,404.48 = 2,356.97/x
  3. Step 3: Cross multiply
    3,609.48x = 5,404.48 × 2,356.97
  4. Step 4: Simplify right side
    3,609.48x = 12,738,181.07
  5. Step 5: Solve for x
    x = 12,738,181.07/3,609.48
  6. Step 6: Final answer
    x = 3,529.09

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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.