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Finding the Fourth Proportional to 2,783.98, 3,841.84 and 1,525

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Solution

The fourth proportional to 2,783.98, 3,841.84 and 1,525 is: 2,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.98 : 3,841.84 = 1,525 : x
  2. Step 2: Convert to fraction form
    2,783.98/3,841.84 = 1,525/x
  3. Step 3: Cross multiply
    2,783.98x = 3,841.84 × 1,525
  4. Step 4: Simplify right side
    2,783.98x = 5,858,806
  5. Step 5: Solve for x
    x = 5,858,806/2,783.98
  6. Step 6: Final answer
    x = 2,104.47

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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.