Home / 3,327.38-4,991.07-1,018.88

Finding the Fourth Proportional to 3,327.38, 4,991.07 and 1,018.88

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Solution

The fourth proportional to 3,327.38, 4,991.07 and 1,018.88 is: 1,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.38 : 4,991.07 = 1,018.88 : x
  2. Step 2: Convert to fraction form
    3,327.38/4,991.07 = 1,018.88/x
  3. Step 3: Cross multiply
    3,327.38x = 4,991.07 × 1,018.88
  4. Step 4: Simplify right side
    3,327.38x = 5,085,276.45
  5. Step 5: Solve for x
    x = 5,085,276.45/3,327.38
  6. Step 6: Final answer
    x = 1,528.31

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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.