Home / 3,418.97-4,718.19-1,927.26

Finding the Fourth Proportional to 3,418.97, 4,718.19 and 1,927.26

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Solution

The fourth proportional to 3,418.97, 4,718.19 and 1,927.26 is: 2,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.97 : 4,718.19 = 1,927.26 : x
  2. Step 2: Convert to fraction form
    3,418.97/4,718.19 = 1,927.26/x
  3. Step 3: Cross multiply
    3,418.97x = 4,718.19 × 1,927.26
  4. Step 4: Simplify right side
    3,418.97x = 9,093,178.86
  5. Step 5: Solve for x
    x = 9,093,178.86/3,418.97
  6. Step 6: Final answer
    x = 2,659.63

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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.