Home / 3,321.28-4,582.56-1,996

Finding the Fourth Proportional to 3,321.28, 4,582.56 and 1,996

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Solution

The fourth proportional to 3,321.28, 4,582.56 and 1,996 is: 2,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.28 : 4,582.56 = 1,996 : x
  2. Step 2: Convert to fraction form
    3,321.28/4,582.56 = 1,996/x
  3. Step 3: Cross multiply
    3,321.28x = 4,582.56 × 1,996
  4. Step 4: Simplify right side
    3,321.28x = 9,146,789.76
  5. Step 5: Solve for x
    x = 9,146,789.76/3,321.28
  6. Step 6: Final answer
    x = 2,754.00

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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.