Home / 3,894.67-5,375.76-2,216.98

Finding the Fourth Proportional to 3,894.67, 5,375.76 and 2,216.98

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Solution

The fourth proportional to 3,894.67, 5,375.76 and 2,216.98 is: 3,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.67 : 5,375.76 = 2,216.98 : x
  2. Step 2: Convert to fraction form
    3,894.67/5,375.76 = 2,216.98/x
  3. Step 3: Cross multiply
    3,894.67x = 5,375.76 × 2,216.98
  4. Step 4: Simplify right side
    3,894.67x = 11,917,925.53
  5. Step 5: Solve for x
    x = 11,917,925.53/3,894.67
  6. Step 6: Final answer
    x = 3,060.06

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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.