Home / 1,739.26-2,399.70-1,076.14

Finding the Fourth Proportional to 1,739.26, 2,399.70 and 1,076.14

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Solution

The fourth proportional to 1,739.26, 2,399.70 and 1,076.14 is: 1,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.26 : 2,399.70 = 1,076.14 : x
  2. Step 2: Convert to fraction form
    1,739.26/2,399.70 = 1,076.14/x
  3. Step 3: Cross multiply
    1,739.26x = 2,399.70 × 1,076.14
  4. Step 4: Simplify right side
    1,739.26x = 2,582,413.16
  5. Step 5: Solve for x
    x = 2,582,413.16/1,739.26
  6. Step 6: Final answer
    x = 1,484.78

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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.