Home / 3,239.79-4,469.36-2,308.83

Finding the Fourth Proportional to 3,239.79, 4,469.36 and 2,308.83

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Solution

The fourth proportional to 3,239.79, 4,469.36 and 2,308.83 is: 3,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.79 : 4,469.36 = 2,308.83 : x
  2. Step 2: Convert to fraction form
    3,239.79/4,469.36 = 2,308.83/x
  3. Step 3: Cross multiply
    3,239.79x = 4,469.36 × 2,308.83
  4. Step 4: Simplify right side
    3,239.79x = 10,318,980.90
  5. Step 5: Solve for x
    x = 10,318,980.90/3,239.79
  6. Step 6: Final answer
    x = 3,185.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.