Home / 1,604.46-2,214.36-905.97

Finding the Fourth Proportional to 1,604.46, 2,214.36 and 905.97

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Solution

The fourth proportional to 1,604.46, 2,214.36 and 905.97 is: 1,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.46 : 2,214.36 = 905.97 : x
  2. Step 2: Convert to fraction form
    1,604.46/2,214.36 = 905.97/x
  3. Step 3: Cross multiply
    1,604.46x = 2,214.36 × 905.97
  4. Step 4: Simplify right side
    1,604.46x = 2,006,143.73
  5. Step 5: Solve for x
    x = 2,006,143.73/1,604.46
  6. Step 6: Final answer
    x = 1,250.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.