Home / 3,819.24-5,730.70-2,087.82

Finding the Fourth Proportional to 3,819.24, 5,730.70 and 2,087.82

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Solution

The fourth proportional to 3,819.24, 5,730.70 and 2,087.82 is: 3,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.24 : 5,730.70 = 2,087.82 : x
  2. Step 2: Convert to fraction form
    3,819.24/5,730.70 = 2,087.82/x
  3. Step 3: Cross multiply
    3,819.24x = 5,730.70 × 2,087.82
  4. Step 4: Simplify right side
    3,819.24x = 11,964,670.07
  5. Step 5: Solve for x
    x = 11,964,670.07/3,819.24
  6. Step 6: Final answer
    x = 3,132.74

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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.