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Finding the Fourth Proportional to 1,723.34, 2,584.19 and 735.82

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Solution

The fourth proportional to 1,723.34, 2,584.19 and 735.82 is: 1,103.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.34 : 2,584.19 = 735.82 : x
  2. Step 2: Convert to fraction form
    1,723.34/2,584.19 = 735.82/x
  3. Step 3: Cross multiply
    1,723.34x = 2,584.19 × 735.82
  4. Step 4: Simplify right side
    1,723.34x = 1,901,494.06
  5. Step 5: Solve for x
    x = 1,901,494.06/1,723.34
  6. Step 6: Final answer
    x = 1,103.38

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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.