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Finding the Fourth Proportional to 2,483.73, 3,720.74 and 2,137.05

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Solution

The fourth proportional to 2,483.73, 3,720.74 and 2,137.05 is: 3,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.73 : 3,720.74 = 2,137.05 : x
  2. Step 2: Convert to fraction form
    2,483.73/3,720.74 = 2,137.05/x
  3. Step 3: Cross multiply
    2,483.73x = 3,720.74 × 2,137.05
  4. Step 4: Simplify right side
    2,483.73x = 7,951,396.73
  5. Step 5: Solve for x
    x = 7,951,396.73/2,483.73
  6. Step 6: Final answer
    x = 3,201.39

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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.