Home / 3,308.40-4,961.52-999.36

Finding the Fourth Proportional to 3,308.40, 4,961.52 and 999.36

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Solution

The fourth proportional to 3,308.40, 4,961.52 and 999.36 is: 1,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.40 : 4,961.52 = 999.36 : x
  2. Step 2: Convert to fraction form
    3,308.40/4,961.52 = 999.36/x
  3. Step 3: Cross multiply
    3,308.40x = 4,961.52 × 999.36
  4. Step 4: Simplify right side
    3,308.40x = 4,958,344.63
  5. Step 5: Solve for x
    x = 4,958,344.63/3,308.40
  6. Step 6: Final answer
    x = 1,498.71

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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.