Home / 2,179.52-3,007.92-1,785.44

Finding the Fourth Proportional to 2,179.52, 3,007.92 and 1,785.44

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Solution

The fourth proportional to 2,179.52, 3,007.92 and 1,785.44 is: 2,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.52 : 3,007.92 = 1,785.44 : x
  2. Step 2: Convert to fraction form
    2,179.52/3,007.92 = 1,785.44/x
  3. Step 3: Cross multiply
    2,179.52x = 3,007.92 × 1,785.44
  4. Step 4: Simplify right side
    2,179.52x = 5,370,460.68
  5. Step 5: Solve for x
    x = 5,370,460.68/2,179.52
  6. Step 6: Final answer
    x = 2,464.06

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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.