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Finding the Fourth Proportional to 2,523, 3,481.46 and 1,403.68

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Solution

The fourth proportional to 2,523, 3,481.46 and 1,403.68 is: 1,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523 : 3,481.46 = 1,403.68 : x
  2. Step 2: Convert to fraction form
    2,523/3,481.46 = 1,403.68/x
  3. Step 3: Cross multiply
    2,523x = 3,481.46 × 1,403.68
  4. Step 4: Simplify right side
    2,523x = 4,886,855.77
  5. Step 5: Solve for x
    x = 4,886,855.77/2,523
  6. Step 6: Final answer
    x = 1,936.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.