Home / 4,183.28-5,772.82-2,415.18

Finding the Fourth Proportional to 4,183.28, 5,772.82 and 2,415.18

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Solution

The fourth proportional to 4,183.28, 5,772.82 and 2,415.18 is: 3,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.28 : 5,772.82 = 2,415.18 : x
  2. Step 2: Convert to fraction form
    4,183.28/5,772.82 = 2,415.18/x
  3. Step 3: Cross multiply
    4,183.28x = 5,772.82 × 2,415.18
  4. Step 4: Simplify right side
    4,183.28x = 13,942,399.41
  5. Step 5: Solve for x
    x = 13,942,399.41/4,183.28
  6. Step 6: Final answer
    x = 3,332.89

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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.