Home / 3,108.09-4,287.86-2,058.33

Finding the Fourth Proportional to 3,108.09, 4,287.86 and 2,058.33

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Solution

The fourth proportional to 3,108.09, 4,287.86 and 2,058.33 is: 2,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.09 : 4,287.86 = 2,058.33 : x
  2. Step 2: Convert to fraction form
    3,108.09/4,287.86 = 2,058.33/x
  3. Step 3: Cross multiply
    3,108.09x = 4,287.86 × 2,058.33
  4. Step 4: Simplify right side
    3,108.09x = 8,825,820.58
  5. Step 5: Solve for x
    x = 8,825,820.58/3,108.09
  6. Step 6: Final answer
    x = 2,839.63

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1.5x scale

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.