Home / 3,203.28-4,419.77-1,806.03

Finding the Fourth Proportional to 3,203.28, 4,419.77 and 1,806.03

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Solution

The fourth proportional to 3,203.28, 4,419.77 and 1,806.03 is: 2,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.28 : 4,419.77 = 1,806.03 : x
  2. Step 2: Convert to fraction form
    3,203.28/4,419.77 = 1,806.03/x
  3. Step 3: Cross multiply
    3,203.28x = 4,419.77 × 1,806.03
  4. Step 4: Simplify right side
    3,203.28x = 7,982,228.18
  5. Step 5: Solve for x
    x = 7,982,228.18/3,203.28
  6. Step 6: Final answer
    x = 2,491.89

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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.