Home / 4,084.56-5,636.88-3,141.36

Finding the Fourth Proportional to 4,084.56, 5,636.88 and 3,141.36

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Solution

The fourth proportional to 4,084.56, 5,636.88 and 3,141.36 is: 4,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.56 : 5,636.88 = 3,141.36 : x
  2. Step 2: Convert to fraction form
    4,084.56/5,636.88 = 3,141.36/x
  3. Step 3: Cross multiply
    4,084.56x = 5,636.88 × 3,141.36
  4. Step 4: Simplify right side
    4,084.56x = 17,707,469.36
  5. Step 5: Solve for x
    x = 17,707,469.36/4,084.56
  6. Step 6: Final answer
    x = 4,335.22

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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.