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Finding the Fourth Proportional to 1,635.37, 2,453.29 and 539.37

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Solution

The fourth proportional to 1,635.37, 2,453.29 and 539.37 is: 809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.37 : 2,453.29 = 539.37 : x
  2. Step 2: Convert to fraction form
    1,635.37/2,453.29 = 539.37/x
  3. Step 3: Cross multiply
    1,635.37x = 2,453.29 × 539.37
  4. Step 4: Simplify right side
    1,635.37x = 1,323,229.68
  5. Step 5: Solve for x
    x = 1,323,229.68/1,635.37
  6. Step 6: Final answer
    x = 809.13

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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.