Home / 3,376.89-5,072.65-2,857.93

Finding the Fourth Proportional to 3,376.89, 5,072.65 and 2,857.93

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Solution

The fourth proportional to 3,376.89, 5,072.65 and 2,857.93 is: 4,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.89 : 5,072.65 = 2,857.93 : x
  2. Step 2: Convert to fraction form
    3,376.89/5,072.65 = 2,857.93/x
  3. Step 3: Cross multiply
    3,376.89x = 5,072.65 × 2,857.93
  4. Step 4: Simplify right side
    3,376.89x = 14,497,295.36
  5. Step 5: Solve for x
    x = 14,497,295.36/3,376.89
  6. Step 6: Final answer
    x = 4,293.09

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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.