Home / 2,832.31-3,908.81-1,573.79

Finding the Fourth Proportional to 2,832.31, 3,908.81 and 1,573.79

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Solution

The fourth proportional to 2,832.31, 3,908.81 and 1,573.79 is: 2,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.31 : 3,908.81 = 1,573.79 : x
  2. Step 2: Convert to fraction form
    2,832.31/3,908.81 = 1,573.79/x
  3. Step 3: Cross multiply
    2,832.31x = 3,908.81 × 1,573.79
  4. Step 4: Simplify right side
    2,832.31x = 6,151,659.80
  5. Step 5: Solve for x
    x = 6,151,659.80/2,832.31
  6. Step 6: Final answer
    x = 2,171.96

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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.