Home / 3,308.58-4,961.12-1,228.50

Finding the Fourth Proportional to 3,308.58, 4,961.12 and 1,228.50

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Solution

The fourth proportional to 3,308.58, 4,961.12 and 1,228.50 is: 1,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.58 : 4,961.12 = 1,228.50 : x
  2. Step 2: Convert to fraction form
    3,308.58/4,961.12 = 1,228.50/x
  3. Step 3: Cross multiply
    3,308.58x = 4,961.12 × 1,228.50
  4. Step 4: Simplify right side
    3,308.58x = 6,094,729.78
  5. Step 5: Solve for x
    x = 6,094,729.78/3,308.58
  6. Step 6: Final answer
    x = 1,842.10

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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.