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Finding the Fourth Proportional to 3,777.48, 5,666.22 and 1,469.52

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Solution

The fourth proportional to 3,777.48, 5,666.22 and 1,469.52 is: 2,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.48 : 5,666.22 = 1,469.52 : x
  2. Step 2: Convert to fraction form
    3,777.48/5,666.22 = 1,469.52/x
  3. Step 3: Cross multiply
    3,777.48x = 5,666.22 × 1,469.52
  4. Step 4: Simplify right side
    3,777.48x = 8,326,623.61
  5. Step 5: Solve for x
    x = 8,326,623.61/3,777.48
  6. Step 6: Final answer
    x = 2,204.28

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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.