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Finding the Fourth Proportional to 2,776.97, 3,829.02 and 2,329.55

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Solution

The fourth proportional to 2,776.97, 3,829.02 and 2,329.55 is: 3,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.97 : 3,829.02 = 2,329.55 : x
  2. Step 2: Convert to fraction form
    2,776.97/3,829.02 = 2,329.55/x
  3. Step 3: Cross multiply
    2,776.97x = 3,829.02 × 2,329.55
  4. Step 4: Simplify right side
    2,776.97x = 8,919,874.40
  5. Step 5: Solve for x
    x = 8,919,874.40/2,776.97
  6. Step 6: Final answer
    x = 3,212.09

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1.5x scale

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.