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Finding the Fourth Proportional to 3,263.96, 4,890.90 and 1,530.56

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Solution

The fourth proportional to 3,263.96, 4,890.90 and 1,530.56 is: 2,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.96 : 4,890.90 = 1,530.56 : x
  2. Step 2: Convert to fraction form
    3,263.96/4,890.90 = 1,530.56/x
  3. Step 3: Cross multiply
    3,263.96x = 4,890.90 × 1,530.56
  4. Step 4: Simplify right side
    3,263.96x = 7,485,815.90
  5. Step 5: Solve for x
    x = 7,485,815.90/3,263.96
  6. Step 6: Final answer
    x = 2,293.48

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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.