Home / 3,508.57-5,257.53-2,579.71

Finding the Fourth Proportional to 3,508.57, 5,257.53 and 2,579.71

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Solution

The fourth proportional to 3,508.57, 5,257.53 and 2,579.71 is: 3,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.57 : 5,257.53 = 2,579.71 : x
  2. Step 2: Convert to fraction form
    3,508.57/5,257.53 = 2,579.71/x
  3. Step 3: Cross multiply
    3,508.57x = 5,257.53 × 2,579.71
  4. Step 4: Simplify right side
    3,508.57x = 13,562,902.72
  5. Step 5: Solve for x
    x = 13,562,902.72/3,508.57
  6. Step 6: Final answer
    x = 3,865.65

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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.