Home / 3,968.64-5,952.99-1,628.04

Finding the Fourth Proportional to 3,968.64, 5,952.99 and 1,628.04

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Solution

The fourth proportional to 3,968.64, 5,952.99 and 1,628.04 is: 2,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.64 : 5,952.99 = 1,628.04 : x
  2. Step 2: Convert to fraction form
    3,968.64/5,952.99 = 1,628.04/x
  3. Step 3: Cross multiply
    3,968.64x = 5,952.99 × 1,628.04
  4. Step 4: Simplify right side
    3,968.64x = 9,691,705.84
  5. Step 5: Solve for x
    x = 9,691,705.84/3,968.64
  6. Step 6: Final answer
    x = 2,442.07

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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.