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Finding the Fourth Proportional to 1,894.44, 2,838.45 and 1,343.88

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Solution

The fourth proportional to 1,894.44, 2,838.45 and 1,343.88 is: 2,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.44 : 2,838.45 = 1,343.88 : x
  2. Step 2: Convert to fraction form
    1,894.44/2,838.45 = 1,343.88/x
  3. Step 3: Cross multiply
    1,894.44x = 2,838.45 × 1,343.88
  4. Step 4: Simplify right side
    1,894.44x = 3,814,536.19
  5. Step 5: Solve for x
    x = 3,814,536.19/1,894.44
  6. Step 6: Final answer
    x = 2,013.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.