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Finding the Fourth Proportional to 4,125, 5,692.56 and 2,262

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Solution

The fourth proportional to 4,125, 5,692.56 and 2,262 is: 3,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125 : 5,692.56 = 2,262 : x
  2. Step 2: Convert to fraction form
    4,125/5,692.56 = 2,262/x
  3. Step 3: Cross multiply
    4,125x = 5,692.56 × 2,262
  4. Step 4: Simplify right side
    4,125x = 12,876,570.72
  5. Step 5: Solve for x
    x = 12,876,570.72/4,125
  6. Step 6: Final answer
    x = 3,121.59

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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.