Home / 3,308.12-4,961.16-1,116.36

Finding the Fourth Proportional to 3,308.12, 4,961.16 and 1,116.36

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Solution

The fourth proportional to 3,308.12, 4,961.16 and 1,116.36 is: 1,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.12 : 4,961.16 = 1,116.36 : x
  2. Step 2: Convert to fraction form
    3,308.12/4,961.16 = 1,116.36/x
  3. Step 3: Cross multiply
    3,308.12x = 4,961.16 × 1,116.36
  4. Step 4: Simplify right side
    3,308.12x = 5,538,440.58
  5. Step 5: Solve for x
    x = 5,538,440.58/3,308.12
  6. Step 6: Final answer
    x = 1,674.20

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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.