Home / 1,579.70-2,369.89-605.80

Finding the Fourth Proportional to 1,579.70, 2,369.89 and 605.80

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Solution

The fourth proportional to 1,579.70, 2,369.89 and 605.80 is: 908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.70 : 2,369.89 = 605.80 : x
  2. Step 2: Convert to fraction form
    1,579.70/2,369.89 = 605.80/x
  3. Step 3: Cross multiply
    1,579.70x = 2,369.89 × 605.80
  4. Step 4: Simplify right side
    1,579.70x = 1,435,676.33
  5. Step 5: Solve for x
    x = 1,435,676.33/1,579.70
  6. Step 6: Final answer
    x = 908.83

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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.