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Finding the Fourth Proportional to 3,776.76, 5,211.54 and 2,204.55

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Solution

The fourth proportional to 3,776.76, 5,211.54 and 2,204.55 is: 3,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.76 : 5,211.54 = 2,204.55 : x
  2. Step 2: Convert to fraction form
    3,776.76/5,211.54 = 2,204.55/x
  3. Step 3: Cross multiply
    3,776.76x = 5,211.54 × 2,204.55
  4. Step 4: Simplify right side
    3,776.76x = 11,489,100.51
  5. Step 5: Solve for x
    x = 11,489,100.51/3,776.76
  6. Step 6: Final answer
    x = 3,042.05

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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.