Home / 3,270.94-4,513.99-1,778.87

Finding the Fourth Proportional to 3,270.94, 4,513.99 and 1,778.87

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Solution

The fourth proportional to 3,270.94, 4,513.99 and 1,778.87 is: 2,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.94 : 4,513.99 = 1,778.87 : x
  2. Step 2: Convert to fraction form
    3,270.94/4,513.99 = 1,778.87/x
  3. Step 3: Cross multiply
    3,270.94x = 4,513.99 × 1,778.87
  4. Step 4: Simplify right side
    3,270.94x = 8,029,774.37
  5. Step 5: Solve for x
    x = 8,029,774.37/3,270.94
  6. Step 6: Final answer
    x = 2,454.88

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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.