Home / 3,218.67-4,828.68-1,027.62

Finding the Fourth Proportional to 3,218.67, 4,828.68 and 1,027.62

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Solution

The fourth proportional to 3,218.67, 4,828.68 and 1,027.62 is: 1,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.67 : 4,828.68 = 1,027.62 : x
  2. Step 2: Convert to fraction form
    3,218.67/4,828.68 = 1,027.62/x
  3. Step 3: Cross multiply
    3,218.67x = 4,828.68 × 1,027.62
  4. Step 4: Simplify right side
    3,218.67x = 4,962,048.14
  5. Step 5: Solve for x
    x = 4,962,048.14/3,218.67
  6. Step 6: Final answer
    x = 1,541.65

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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.