Home / 1,688.73-2,536.70-1,633.37

Finding the Fourth Proportional to 1,688.73, 2,536.70 and 1,633.37

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Solution

The fourth proportional to 1,688.73, 2,536.70 and 1,633.37 is: 2,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.73 : 2,536.70 = 1,633.37 : x
  2. Step 2: Convert to fraction form
    1,688.73/2,536.70 = 1,633.37/x
  3. Step 3: Cross multiply
    1,688.73x = 2,536.70 × 1,633.37
  4. Step 4: Simplify right side
    1,688.73x = 4,143,369.68
  5. Step 5: Solve for x
    x = 4,143,369.68/1,688.73
  6. Step 6: Final answer
    x = 2,453.54

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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.