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Finding the Fourth Proportional to 2,673, 3,993.27 and 2,235.60

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Solution

The fourth proportional to 2,673, 3,993.27 and 2,235.60 is: 3,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673 : 3,993.27 = 2,235.60 : x
  2. Step 2: Convert to fraction form
    2,673/3,993.27 = 2,235.60/x
  3. Step 3: Cross multiply
    2,673x = 3,993.27 × 2,235.60
  4. Step 4: Simplify right side
    2,673x = 8,927,354.41
  5. Step 5: Solve for x
    x = 8,927,354.41/2,673
  6. Step 6: Final answer
    x = 3,339.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.