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Finding the Fourth Proportional to 2,177, 3,003.03 and 1,338.11

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Solution

The fourth proportional to 2,177, 3,003.03 and 1,338.11 is: 1,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177 : 3,003.03 = 1,338.11 : x
  2. Step 2: Convert to fraction form
    2,177/3,003.03 = 1,338.11/x
  3. Step 3: Cross multiply
    2,177x = 3,003.03 × 1,338.11
  4. Step 4: Simplify right side
    2,177x = 4,018,384.47
  5. Step 5: Solve for x
    x = 4,018,384.47/2,177
  6. Step 6: Final answer
    x = 1,845.84

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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.