Home / 1,634.05-2,450.13-538.12

Finding the Fourth Proportional to 1,634.05, 2,450.13 and 538.12

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Solution

The fourth proportional to 1,634.05, 2,450.13 and 538.12 is: 806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.05 : 2,450.13 = 538.12 : x
  2. Step 2: Convert to fraction form
    1,634.05/2,450.13 = 538.12/x
  3. Step 3: Cross multiply
    1,634.05x = 2,450.13 × 538.12
  4. Step 4: Simplify right side
    1,634.05x = 1,318,463.96
  5. Step 5: Solve for x
    x = 1,318,463.96/1,634.05
  6. Step 6: Final answer
    x = 806.87

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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.