Home / 2,881.44-3,976.35-1,622.49

Finding the Fourth Proportional to 2,881.44, 3,976.35 and 1,622.49

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Solution

The fourth proportional to 2,881.44, 3,976.35 and 1,622.49 is: 2,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.44 : 3,976.35 = 1,622.49 : x
  2. Step 2: Convert to fraction form
    2,881.44/3,976.35 = 1,622.49/x
  3. Step 3: Cross multiply
    2,881.44x = 3,976.35 × 1,622.49
  4. Step 4: Simplify right side
    2,881.44x = 6,451,588.11
  5. Step 5: Solve for x
    x = 6,451,588.11/2,881.44
  6. Step 6: Final answer
    x = 2,239.02

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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.