Home / 1,830.87-2,741.45-1,481.79

Finding the Fourth Proportional to 1,830.87, 2,741.45 and 1,481.79

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Solution

The fourth proportional to 1,830.87, 2,741.45 and 1,481.79 is: 2,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.87 : 2,741.45 = 1,481.79 : x
  2. Step 2: Convert to fraction form
    1,830.87/2,741.45 = 1,481.79/x
  3. Step 3: Cross multiply
    1,830.87x = 2,741.45 × 1,481.79
  4. Step 4: Simplify right side
    1,830.87x = 4,062,245.79
  5. Step 5: Solve for x
    x = 4,062,245.79/1,830.87
  6. Step 6: Final answer
    x = 2,218.75

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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.