Home / 3,327.92-4,990.40-1,018.88

Finding the Fourth Proportional to 3,327.92, 4,990.40 and 1,018.88

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Solution

The fourth proportional to 3,327.92, 4,990.40 and 1,018.88 is: 1,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.92 : 4,990.40 = 1,018.88 : x
  2. Step 2: Convert to fraction form
    3,327.92/4,990.40 = 1,018.88/x
  3. Step 3: Cross multiply
    3,327.92x = 4,990.40 × 1,018.88
  4. Step 4: Simplify right side
    3,327.92x = 5,084,618.75
  5. Step 5: Solve for x
    x = 5,084,618.75/3,327.92
  6. Step 6: Final answer
    x = 1,527.87

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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.