Home / 3,895.25-5,374.98-2,216.43

Finding the Fourth Proportional to 3,895.25, 5,374.98 and 2,216.43

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Solution

The fourth proportional to 3,895.25, 5,374.98 and 2,216.43 is: 3,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.25 : 5,374.98 = 2,216.43 : x
  2. Step 2: Convert to fraction form
    3,895.25/5,374.98 = 2,216.43/x
  3. Step 3: Cross multiply
    3,895.25x = 5,374.98 × 2,216.43
  4. Step 4: Simplify right side
    3,895.25x = 11,913,266.92
  5. Step 5: Solve for x
    x = 11,913,266.92/3,895.25
  6. Step 6: Final answer
    x = 3,058.41

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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.