Home / 3,310.31-4,963.75-1,118.25

Finding the Fourth Proportional to 3,310.31, 4,963.75 and 1,118.25

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Solution

The fourth proportional to 3,310.31, 4,963.75 and 1,118.25 is: 1,676.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.31 : 4,963.75 = 1,118.25 : x
  2. Step 2: Convert to fraction form
    3,310.31/4,963.75 = 1,118.25/x
  3. Step 3: Cross multiply
    3,310.31x = 4,963.75 × 1,118.25
  4. Step 4: Simplify right side
    3,310.31x = 5,550,710.64
  5. Step 5: Solve for x
    x = 5,550,710.64/3,310.31
  6. Step 6: Final answer
    x = 1,676.79

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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.