Home / 2,579.62-3,877.11-1,212.58

Finding the Fourth Proportional to 2,579.62, 3,877.11 and 1,212.58

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Solution

The fourth proportional to 2,579.62, 3,877.11 and 1,212.58 is: 1,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.62 : 3,877.11 = 1,212.58 : x
  2. Step 2: Convert to fraction form
    2,579.62/3,877.11 = 1,212.58/x
  3. Step 3: Cross multiply
    2,579.62x = 3,877.11 × 1,212.58
  4. Step 4: Simplify right side
    2,579.62x = 4,701,306.04
  5. Step 5: Solve for x
    x = 4,701,306.04/2,579.62
  6. Step 6: Final answer
    x = 1,822.48

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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.