Home / 3,894.41-5,374.59-2,216.33

Finding the Fourth Proportional to 3,894.41, 5,374.59 and 2,216.33

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Solution

The fourth proportional to 3,894.41, 5,374.59 and 2,216.33 is: 3,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.41 : 5,374.59 = 2,216.33 : x
  2. Step 2: Convert to fraction form
    3,894.41/5,374.59 = 2,216.33/x
  3. Step 3: Cross multiply
    3,894.41x = 5,374.59 × 2,216.33
  4. Step 4: Simplify right side
    3,894.41x = 11,911,838.18
  5. Step 5: Solve for x
    x = 11,911,838.18/3,894.41
  6. Step 6: Final answer
    x = 3,058.71

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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.