Home / 3,291.40-4,903.97-3,243.88

Finding the Fourth Proportional to 3,291.40, 4,903.97 and 3,243.88

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Solution

The fourth proportional to 3,291.40, 4,903.97 and 3,243.88 is: 4,833.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.40 : 4,903.97 = 3,243.88 : x
  2. Step 2: Convert to fraction form
    3,291.40/4,903.97 = 3,243.88/x
  3. Step 3: Cross multiply
    3,291.40x = 4,903.97 × 3,243.88
  4. Step 4: Simplify right side
    3,291.40x = 15,907,890.20
  5. Step 5: Solve for x
    x = 15,907,890.20/3,291.40
  6. Step 6: Final answer
    x = 4,833.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.