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Finding the Fourth Proportional to 3,011.57, 4,156.50 and 2,016.99

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Solution

The fourth proportional to 3,011.57, 4,156.50 and 2,016.99 is: 2,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.57 : 4,156.50 = 2,016.99 : x
  2. Step 2: Convert to fraction form
    3,011.57/4,156.50 = 2,016.99/x
  3. Step 3: Cross multiply
    3,011.57x = 4,156.50 × 2,016.99
  4. Step 4: Simplify right side
    3,011.57x = 8,383,631.36
  5. Step 5: Solve for x
    x = 8,383,631.36/3,011.57
  6. Step 6: Final answer
    x = 2,783.81

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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.