Home / 1,579.72-2,370.09-605.89

Finding the Fourth Proportional to 1,579.72, 2,370.09 and 605.89

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Solution

The fourth proportional to 1,579.72, 2,370.09 and 605.89 is: 909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.72 : 2,370.09 = 605.89 : x
  2. Step 2: Convert to fraction form
    1,579.72/2,370.09 = 605.89/x
  3. Step 3: Cross multiply
    1,579.72x = 2,370.09 × 605.89
  4. Step 4: Simplify right side
    1,579.72x = 1,436,013.83
  5. Step 5: Solve for x
    x = 1,436,013.83/1,579.72
  6. Step 6: Final answer
    x = 909.03

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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.