Home / 2,179.56-3,008.43-1,295.89

Finding the Fourth Proportional to 2,179.56, 3,008.43 and 1,295.89

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Solution

The fourth proportional to 2,179.56, 3,008.43 and 1,295.89 is: 1,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.56 : 3,008.43 = 1,295.89 : x
  2. Step 2: Convert to fraction form
    2,179.56/3,008.43 = 1,295.89/x
  3. Step 3: Cross multiply
    2,179.56x = 3,008.43 × 1,295.89
  4. Step 4: Simplify right side
    2,179.56x = 3,898,594.35
  5. Step 5: Solve for x
    x = 3,898,594.35/2,179.56
  6. Step 6: Final answer
    x = 1,788.71

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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.