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Finding the Fourth Proportional to 3,776.82, 5,664.68 and 1,003.66

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Solution

The fourth proportional to 3,776.82, 5,664.68 and 1,003.66 is: 1,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.82 : 5,664.68 = 1,003.66 : x
  2. Step 2: Convert to fraction form
    3,776.82/5,664.68 = 1,003.66/x
  3. Step 3: Cross multiply
    3,776.82x = 5,664.68 × 1,003.66
  4. Step 4: Simplify right side
    3,776.82x = 5,685,412.73
  5. Step 5: Solve for x
    x = 5,685,412.73/3,776.82
  6. Step 6: Final answer
    x = 1,505.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.