Home / 2,905.87-4,010.09-1,579.56

Finding the Fourth Proportional to 2,905.87, 4,010.09 and 1,579.56

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Solution

The fourth proportional to 2,905.87, 4,010.09 and 1,579.56 is: 2,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.87 : 4,010.09 = 1,579.56 : x
  2. Step 2: Convert to fraction form
    2,905.87/4,010.09 = 1,579.56/x
  3. Step 3: Cross multiply
    2,905.87x = 4,010.09 × 1,579.56
  4. Step 4: Simplify right side
    2,905.87x = 6,334,177.76
  5. Step 5: Solve for x
    x = 6,334,177.76/2,905.87
  6. Step 6: Final answer
    x = 2,179.79

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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.