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Finding the Fourth Proportional to 1,694.44, 2,337.40 and 995.68

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Solution

The fourth proportional to 1,694.44, 2,337.40 and 995.68 is: 1,373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.44 : 2,337.40 = 995.68 : x
  2. Step 2: Convert to fraction form
    1,694.44/2,337.40 = 995.68/x
  3. Step 3: Cross multiply
    1,694.44x = 2,337.40 × 995.68
  4. Step 4: Simplify right side
    1,694.44x = 2,327,302.43
  5. Step 5: Solve for x
    x = 2,327,302.43/1,694.44
  6. Step 6: Final answer
    x = 1,373.49

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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.