Home / 3,985.24-5,968.10-3,287.64

Finding the Fourth Proportional to 3,985.24, 5,968.10 and 3,287.64

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Solution

The fourth proportional to 3,985.24, 5,968.10 and 3,287.64 is: 4,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.24 : 5,968.10 = 3,287.64 : x
  2. Step 2: Convert to fraction form
    3,985.24/5,968.10 = 3,287.64/x
  3. Step 3: Cross multiply
    3,985.24x = 5,968.10 × 3,287.64
  4. Step 4: Simplify right side
    3,985.24x = 19,620,964.28
  5. Step 5: Solve for x
    x = 19,620,964.28/3,985.24
  6. Step 6: Final answer
    x = 4,923.41

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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.