Home / 3,098.79-4,647.78-1,224.66

Finding the Fourth Proportional to 3,098.79, 4,647.78 and 1,224.66

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Solution

The fourth proportional to 3,098.79, 4,647.78 and 1,224.66 is: 1,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.79 : 4,647.78 = 1,224.66 : x
  2. Step 2: Convert to fraction form
    3,098.79/4,647.78 = 1,224.66/x
  3. Step 3: Cross multiply
    3,098.79x = 4,647.78 × 1,224.66
  4. Step 4: Simplify right side
    3,098.79x = 5,691,950.25
  5. Step 5: Solve for x
    x = 5,691,950.25/3,098.79
  6. Step 6: Final answer
    x = 1,836.83

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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.