Home / 1,749.20-2,623.79-1,199.70

Finding the Fourth Proportional to 1,749.20, 2,623.79 and 1,199.70

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Solution

The fourth proportional to 1,749.20, 2,623.79 and 1,199.70 is: 1,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.20 : 2,623.79 = 1,199.70 : x
  2. Step 2: Convert to fraction form
    1,749.20/2,623.79 = 1,199.70/x
  3. Step 3: Cross multiply
    1,749.20x = 2,623.79 × 1,199.70
  4. Step 4: Simplify right side
    1,749.20x = 3,147,754.86
  5. Step 5: Solve for x
    x = 3,147,754.86/1,749.20
  6. Step 6: Final answer
    x = 1,799.54

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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.