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Finding the Fourth Proportional to 2,372.94, 3,558 and 729

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Solution

The fourth proportional to 2,372.94, 3,558 and 729 is: 1,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.94 : 3,558 = 729 : x
  2. Step 2: Convert to fraction form
    2,372.94/3,558 = 729/x
  3. Step 3: Cross multiply
    2,372.94x = 3,558 × 729
  4. Step 4: Simplify right side
    2,372.94x = 2,593,782
  5. Step 5: Solve for x
    x = 2,593,782/2,372.94
  6. Step 6: Final answer
    x = 1,093.07

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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.