Home / 2,883.44-3,981.06-2,219.12

Finding the Fourth Proportional to 2,883.44, 3,981.06 and 2,219.12

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Solution

The fourth proportional to 2,883.44, 3,981.06 and 2,219.12 is: 3,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.44 : 3,981.06 = 2,219.12 : x
  2. Step 2: Convert to fraction form
    2,883.44/3,981.06 = 2,219.12/x
  3. Step 3: Cross multiply
    2,883.44x = 3,981.06 × 2,219.12
  4. Step 4: Simplify right side
    2,883.44x = 8,834,449.87
  5. Step 5: Solve for x
    x = 8,834,449.87/2,883.44
  6. Step 6: Final answer
    x = 3,063.86

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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.