Home / 2,983.32-4,120.03-2,236.09

Finding the Fourth Proportional to 2,983.32, 4,120.03 and 2,236.09

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Solution

The fourth proportional to 2,983.32, 4,120.03 and 2,236.09 is: 3,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.32 : 4,120.03 = 2,236.09 : x
  2. Step 2: Convert to fraction form
    2,983.32/4,120.03 = 2,236.09/x
  3. Step 3: Cross multiply
    2,983.32x = 4,120.03 × 2,236.09
  4. Step 4: Simplify right side
    2,983.32x = 9,212,757.88
  5. Step 5: Solve for x
    x = 9,212,757.88/2,983.32
  6. Step 6: Final answer
    x = 3,088.09

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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.