Home / 1,749.76-2,414.07-1,189.26

Finding the Fourth Proportional to 1,749.76, 2,414.07 and 1,189.26

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Solution

The fourth proportional to 1,749.76, 2,414.07 and 1,189.26 is: 1,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.76 : 2,414.07 = 1,189.26 : x
  2. Step 2: Convert to fraction form
    1,749.76/2,414.07 = 1,189.26/x
  3. Step 3: Cross multiply
    1,749.76x = 2,414.07 × 1,189.26
  4. Step 4: Simplify right side
    1,749.76x = 2,870,956.89
  5. Step 5: Solve for x
    x = 2,870,956.89/1,749.76
  6. Step 6: Final answer
    x = 1,640.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.