Home / 3,284-4,921.72-1,335.14

Finding the Fourth Proportional to 3,284, 4,921.72 and 1,335.14

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Solution

The fourth proportional to 3,284, 4,921.72 and 1,335.14 is: 2,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284 : 4,921.72 = 1,335.14 : x
  2. Step 2: Convert to fraction form
    3,284/4,921.72 = 1,335.14/x
  3. Step 3: Cross multiply
    3,284x = 4,921.72 × 1,335.14
  4. Step 4: Simplify right side
    3,284x = 6,571,185.24
  5. Step 5: Solve for x
    x = 6,571,185.24/3,284
  6. Step 6: Final answer
    x = 2,000.97

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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.