Home / 1,738.75-2,399.61-1,040.26

Finding the Fourth Proportional to 1,738.75, 2,399.61 and 1,040.26

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Solution

The fourth proportional to 1,738.75, 2,399.61 and 1,040.26 is: 1,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.75 : 2,399.61 = 1,040.26 : x
  2. Step 2: Convert to fraction form
    1,738.75/2,399.61 = 1,040.26/x
  3. Step 3: Cross multiply
    1,738.75x = 2,399.61 × 1,040.26
  4. Step 4: Simplify right side
    1,738.75x = 2,496,218.30
  5. Step 5: Solve for x
    x = 2,496,218.30/1,738.75
  6. Step 6: Final answer
    x = 1,435.64

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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.