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Finding the Fourth Proportional to 3,323.96, 4,984.86 and 1,568.72

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Solution

The fourth proportional to 3,323.96, 4,984.86 and 1,568.72 is: 2,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.96 : 4,984.86 = 1,568.72 : x
  2. Step 2: Convert to fraction form
    3,323.96/4,984.86 = 1,568.72/x
  3. Step 3: Cross multiply
    3,323.96x = 4,984.86 × 1,568.72
  4. Step 4: Simplify right side
    3,323.96x = 7,819,849.58
  5. Step 5: Solve for x
    x = 7,819,849.58/3,323.96
  6. Step 6: Final answer
    x = 2,352.57

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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.