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Finding the Fourth Proportional to 3,672.45, 5,065.02 and 2,964.09

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Solution

The fourth proportional to 3,672.45, 5,065.02 and 2,964.09 is: 4,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.45 : 5,065.02 = 2,964.09 : x
  2. Step 2: Convert to fraction form
    3,672.45/5,065.02 = 2,964.09/x
  3. Step 3: Cross multiply
    3,672.45x = 5,065.02 × 2,964.09
  4. Step 4: Simplify right side
    3,672.45x = 15,013,175.13
  5. Step 5: Solve for x
    x = 15,013,175.13/3,672.45
  6. Step 6: Final answer
    x = 4,088.05

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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.