Home / 1,850.45-2,770.61-1,589.22

Finding the Fourth Proportional to 1,850.45, 2,770.61 and 1,589.22

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Solution

The fourth proportional to 1,850.45, 2,770.61 and 1,589.22 is: 2,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.45 : 2,770.61 = 1,589.22 : x
  2. Step 2: Convert to fraction form
    1,850.45/2,770.61 = 1,589.22/x
  3. Step 3: Cross multiply
    1,850.45x = 2,770.61 × 1,589.22
  4. Step 4: Simplify right side
    1,850.45x = 4,403,100.88
  5. Step 5: Solve for x
    x = 4,403,100.88/1,850.45
  6. Step 6: Final answer
    x = 2,379.48

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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.