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Finding the Fourth Proportional to 3,333.75, 4,600.47 and 1,821.30

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Solution

The fourth proportional to 3,333.75, 4,600.47 and 1,821.30 is: 2,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.75 : 4,600.47 = 1,821.30 : x
  2. Step 2: Convert to fraction form
    3,333.75/4,600.47 = 1,821.30/x
  3. Step 3: Cross multiply
    3,333.75x = 4,600.47 × 1,821.30
  4. Step 4: Simplify right side
    3,333.75x = 8,378,836.01
  5. Step 5: Solve for x
    x = 8,378,836.01/3,333.75
  6. Step 6: Final answer
    x = 2,513.34

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