Home / 3,491.20-4,815.75-2,744.02

Finding the Fourth Proportional to 3,491.20, 4,815.75 and 2,744.02

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Solution

The fourth proportional to 3,491.20, 4,815.75 and 2,744.02 is: 3,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.20 : 4,815.75 = 2,744.02 : x
  2. Step 2: Convert to fraction form
    3,491.20/4,815.75 = 2,744.02/x
  3. Step 3: Cross multiply
    3,491.20x = 4,815.75 × 2,744.02
  4. Step 4: Simplify right side
    3,491.20x = 13,214,514.32
  5. Step 5: Solve for x
    x = 13,214,514.32/3,491.20
  6. Step 6: Final answer
    x = 3,785.09

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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.