Home / 1,749.19-2,623.78-1,199.71

Finding the Fourth Proportional to 1,749.19, 2,623.78 and 1,199.71

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Solution

The fourth proportional to 1,749.19, 2,623.78 and 1,199.71 is: 1,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.19 : 2,623.78 = 1,199.71 : x
  2. Step 2: Convert to fraction form
    1,749.19/2,623.78 = 1,199.71/x
  3. Step 3: Cross multiply
    1,749.19x = 2,623.78 × 1,199.71
  4. Step 4: Simplify right side
    1,749.19x = 3,147,775.10
  5. Step 5: Solve for x
    x = 3,147,775.10/1,749.19
  6. Step 6: Final answer
    x = 1,799.56

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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.