Home / 3,617.28-4,993.56-2,961.18

Finding the Fourth Proportional to 3,617.28, 4,993.56 and 2,961.18

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Solution

The fourth proportional to 3,617.28, 4,993.56 and 2,961.18 is: 4,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.28 : 4,993.56 = 2,961.18 : x
  2. Step 2: Convert to fraction form
    3,617.28/4,993.56 = 2,961.18/x
  3. Step 3: Cross multiply
    3,617.28x = 4,993.56 × 2,961.18
  4. Step 4: Simplify right side
    3,617.28x = 14,786,830.00
  5. Step 5: Solve for x
    x = 14,786,830.00/3,617.28
  6. Step 6: Final answer
    x = 4,087.83

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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.