Home / 1,446.49-1,996.67-949.28

Finding the Fourth Proportional to 1,446.49, 1,996.67 and 949.28

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Solution

The fourth proportional to 1,446.49, 1,996.67 and 949.28 is: 1,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.49 : 1,996.67 = 949.28 : x
  2. Step 2: Convert to fraction form
    1,446.49/1,996.67 = 949.28/x
  3. Step 3: Cross multiply
    1,446.49x = 1,996.67 × 949.28
  4. Step 4: Simplify right side
    1,446.49x = 1,895,398.90
  5. Step 5: Solve for x
    x = 1,895,398.90/1,446.49
  6. Step 6: Final answer
    x = 1,310.35

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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.