Home / 2,764.20-3,815.01-1,822.71

Finding the Fourth Proportional to 2,764.20, 3,815.01 and 1,822.71

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Solution

The fourth proportional to 2,764.20, 3,815.01 and 1,822.71 is: 2,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.20 : 3,815.01 = 1,822.71 : x
  2. Step 2: Convert to fraction form
    2,764.20/3,815.01 = 1,822.71/x
  3. Step 3: Cross multiply
    2,764.20x = 3,815.01 × 1,822.71
  4. Step 4: Simplify right side
    2,764.20x = 6,953,656.88
  5. Step 5: Solve for x
    x = 6,953,656.88/2,764.20
  6. Step 6: Final answer
    x = 2,515.61

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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.