Home / 3,270.62-4,513.56-1,778.66

Finding the Fourth Proportional to 3,270.62, 4,513.56 and 1,778.66

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Solution

The fourth proportional to 3,270.62, 4,513.56 and 1,778.66 is: 2,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.62 : 4,513.56 = 1,778.66 : x
  2. Step 2: Convert to fraction form
    3,270.62/4,513.56 = 1,778.66/x
  3. Step 3: Cross multiply
    3,270.62x = 4,513.56 × 1,778.66
  4. Step 4: Simplify right side
    3,270.62x = 8,028,088.63
  5. Step 5: Solve for x
    x = 8,028,088.63/3,270.62
  6. Step 6: Final answer
    x = 2,454.61

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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.