Home / 3,239.60-4,469.88-1,843.12

Finding the Fourth Proportional to 3,239.60, 4,469.88 and 1,843.12

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Solution

The fourth proportional to 3,239.60, 4,469.88 and 1,843.12 is: 2,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.60 : 4,469.88 = 1,843.12 : x
  2. Step 2: Convert to fraction form
    3,239.60/4,469.88 = 1,843.12/x
  3. Step 3: Cross multiply
    3,239.60x = 4,469.88 × 1,843.12
  4. Step 4: Simplify right side
    3,239.60x = 8,238,525.23
  5. Step 5: Solve for x
    x = 8,238,525.23/3,239.60
  6. Step 6: Final answer
    x = 2,543.07

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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.