Home / 3,231.82-4,460.40-1,973.61

Finding the Fourth Proportional to 3,231.82, 4,460.40 and 1,973.61

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Solution

The fourth proportional to 3,231.82, 4,460.40 and 1,973.61 is: 2,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.82 : 4,460.40 = 1,973.61 : x
  2. Step 2: Convert to fraction form
    3,231.82/4,460.40 = 1,973.61/x
  3. Step 3: Cross multiply
    3,231.82x = 4,460.40 × 1,973.61
  4. Step 4: Simplify right side
    3,231.82x = 8,803,090.04
  5. Step 5: Solve for x
    x = 8,803,090.04/3,231.82
  6. Step 6: Final answer
    x = 2,723.88

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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.