Home / 3,481.71-5,192.34-3,287.72

Finding the Fourth Proportional to 3,481.71, 5,192.34 and 3,287.72

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Solution

The fourth proportional to 3,481.71, 5,192.34 and 3,287.72 is: 4,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.71 : 5,192.34 = 3,287.72 : x
  2. Step 2: Convert to fraction form
    3,481.71/5,192.34 = 3,287.72/x
  3. Step 3: Cross multiply
    3,481.71x = 5,192.34 × 3,287.72
  4. Step 4: Simplify right side
    3,481.71x = 17,070,934.10
  5. Step 5: Solve for x
    x = 17,070,934.10/3,481.71
  6. Step 6: Final answer
    x = 4,903.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.