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Finding the Fourth Proportional to 3,569, 4,924.36 and 2,076.96

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Solution

The fourth proportional to 3,569, 4,924.36 and 2,076.96 is: 2,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569 : 4,924.36 = 2,076.96 : x
  2. Step 2: Convert to fraction form
    3,569/4,924.36 = 2,076.96/x
  3. Step 3: Cross multiply
    3,569x = 4,924.36 × 2,076.96
  4. Step 4: Simplify right side
    3,569x = 10,227,698.75
  5. Step 5: Solve for x
    x = 10,227,698.75/3,569
  6. Step 6: Final answer
    x = 2,865.70

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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.