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Finding the Fourth Proportional to 3,185.80, 4,750.13 and 3,063.89

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Solution

The fourth proportional to 3,185.80, 4,750.13 and 3,063.89 is: 4,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.80 : 4,750.13 = 3,063.89 : x
  2. Step 2: Convert to fraction form
    3,185.80/4,750.13 = 3,063.89/x
  3. Step 3: Cross multiply
    3,185.80x = 4,750.13 × 3,063.89
  4. Step 4: Simplify right side
    3,185.80x = 14,553,878.11
  5. Step 5: Solve for x
    x = 14,553,878.11/3,185.80
  6. Step 6: Final answer
    x = 4,568.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.