Home / 1,740.09-2,608.38-1,091.28

Finding the Fourth Proportional to 1,740.09, 2,608.38 and 1,091.28

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Solution

The fourth proportional to 1,740.09, 2,608.38 and 1,091.28 is: 1,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.09 : 2,608.38 = 1,091.28 : x
  2. Step 2: Convert to fraction form
    1,740.09/2,608.38 = 1,091.28/x
  3. Step 3: Cross multiply
    1,740.09x = 2,608.38 × 1,091.28
  4. Step 4: Simplify right side
    1,740.09x = 2,846,472.93
  5. Step 5: Solve for x
    x = 2,846,472.93/1,740.09
  6. Step 6: Final answer
    x = 1,635.82

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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.