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Finding the Fourth Proportional to 3,017.96, 4,527.78 and 1,720.34

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Solution

The fourth proportional to 3,017.96, 4,527.78 and 1,720.34 is: 2,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.96 : 4,527.78 = 1,720.34 : x
  2. Step 2: Convert to fraction form
    3,017.96/4,527.78 = 1,720.34/x
  3. Step 3: Cross multiply
    3,017.96x = 4,527.78 × 1,720.34
  4. Step 4: Simplify right side
    3,017.96x = 7,789,321.05
  5. Step 5: Solve for x
    x = 7,789,321.05/3,017.96
  6. Step 6: Final answer
    x = 2,580.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.