Home / 3,656.57-5,044.43-2,872.89

Finding the Fourth Proportional to 3,656.57, 5,044.43 and 2,872.89

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Solution

The fourth proportional to 3,656.57, 5,044.43 and 2,872.89 is: 3,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.57 : 5,044.43 = 2,872.89 : x
  2. Step 2: Convert to fraction form
    3,656.57/5,044.43 = 2,872.89/x
  3. Step 3: Cross multiply
    3,656.57x = 5,044.43 × 2,872.89
  4. Step 4: Simplify right side
    3,656.57x = 14,492,099.68
  5. Step 5: Solve for x
    x = 14,492,099.68/3,656.57
  6. Step 6: Final answer
    x = 3,963.31

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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.