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Finding the Fourth Proportional to 2,668.84, 3,983.99 and 2,549.02

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Solution

The fourth proportional to 2,668.84, 3,983.99 and 2,549.02 is: 3,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.84 : 3,983.99 = 2,549.02 : x
  2. Step 2: Convert to fraction form
    2,668.84/3,983.99 = 2,549.02/x
  3. Step 3: Cross multiply
    2,668.84x = 3,983.99 × 2,549.02
  4. Step 4: Simplify right side
    2,668.84x = 10,155,250.27
  5. Step 5: Solve for x
    x = 10,155,250.27/2,668.84
  6. Step 6: Final answer
    x = 3,805.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.