Home / 3,206.21-4,800.63-1,663.97

Finding the Fourth Proportional to 3,206.21, 4,800.63 and 1,663.97

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Solution

The fourth proportional to 3,206.21, 4,800.63 and 1,663.97 is: 2,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.21 : 4,800.63 = 1,663.97 : x
  2. Step 2: Convert to fraction form
    3,206.21/4,800.63 = 1,663.97/x
  3. Step 3: Cross multiply
    3,206.21x = 4,800.63 × 1,663.97
  4. Step 4: Simplify right side
    3,206.21x = 7,988,116.30
  5. Step 5: Solve for x
    x = 7,988,116.30/3,206.21
  6. Step 6: Final answer
    x = 2,491.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.