Home / 3,981.48-5,494.74-2,213.52

Finding the Fourth Proportional to 3,981.48, 5,494.74 and 2,213.52

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Solution

The fourth proportional to 3,981.48, 5,494.74 and 2,213.52 is: 3,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.48 : 5,494.74 = 2,213.52 : x
  2. Step 2: Convert to fraction form
    3,981.48/5,494.74 = 2,213.52/x
  3. Step 3: Cross multiply
    3,981.48x = 5,494.74 × 2,213.52
  4. Step 4: Simplify right side
    3,981.48x = 12,162,716.88
  5. Step 5: Solve for x
    x = 12,162,716.88/3,981.48
  6. Step 6: Final answer
    x = 3,054.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.