Home / 3,984.24-5,967.30-3,289.20

Finding the Fourth Proportional to 3,984.24, 5,967.30 and 3,289.20

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Solution

The fourth proportional to 3,984.24, 5,967.30 and 3,289.20 is: 4,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.24 : 5,967.30 = 3,289.20 : x
  2. Step 2: Convert to fraction form
    3,984.24/5,967.30 = 3,289.20/x
  3. Step 3: Cross multiply
    3,984.24x = 5,967.30 × 3,289.20
  4. Step 4: Simplify right side
    3,984.24x = 19,627,643.16
  5. Step 5: Solve for x
    x = 19,627,643.16/3,984.24
  6. Step 6: Final answer
    x = 4,926.32

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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.