Home / 3,081.44-4,623.12-2,837.12

Finding the Fourth Proportional to 3,081.44, 4,623.12 and 2,837.12

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Solution

The fourth proportional to 3,081.44, 4,623.12 and 2,837.12 is: 4,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.44 : 4,623.12 = 2,837.12 : x
  2. Step 2: Convert to fraction form
    3,081.44/4,623.12 = 2,837.12/x
  3. Step 3: Cross multiply
    3,081.44x = 4,623.12 × 2,837.12
  4. Step 4: Simplify right side
    3,081.44x = 13,116,346.21
  5. Step 5: Solve for x
    x = 13,116,346.21/3,081.44
  6. Step 6: Final answer
    x = 4,256.56

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1.5x scale

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.