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Finding the Fourth Proportional to 3,230.33, 4,845.59 and 890.37

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Solution

The fourth proportional to 3,230.33, 4,845.59 and 890.37 is: 1,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.33 : 4,845.59 = 890.37 : x
  2. Step 2: Convert to fraction form
    3,230.33/4,845.59 = 890.37/x
  3. Step 3: Cross multiply
    3,230.33x = 4,845.59 × 890.37
  4. Step 4: Simplify right side
    3,230.33x = 4,314,383.82
  5. Step 5: Solve for x
    x = 4,314,383.82/3,230.33
  6. Step 6: Final answer
    x = 1,335.59

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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.