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Finding the Fourth Proportional to 3,097.12, 4,645.12 and 1,454.56

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Solution

The fourth proportional to 3,097.12, 4,645.12 and 1,454.56 is: 2,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.12 : 4,645.12 = 1,454.56 : x
  2. Step 2: Convert to fraction form
    3,097.12/4,645.12 = 1,454.56/x
  3. Step 3: Cross multiply
    3,097.12x = 4,645.12 × 1,454.56
  4. Step 4: Simplify right side
    3,097.12x = 6,756,605.75
  5. Step 5: Solve for x
    x = 6,756,605.75/3,097.12
  6. Step 6: Final answer
    x = 2,181.58

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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.