Home / 3,182.82-4,792.91-2,776.80

Finding the Fourth Proportional to 3,182.82, 4,792.91 and 2,776.80

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Solution

The fourth proportional to 3,182.82, 4,792.91 and 2,776.80 is: 4,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.82 : 4,792.91 = 2,776.80 : x
  2. Step 2: Convert to fraction form
    3,182.82/4,792.91 = 2,776.80/x
  3. Step 3: Cross multiply
    3,182.82x = 4,792.91 × 2,776.80
  4. Step 4: Simplify right side
    3,182.82x = 13,308,952.49
  5. Step 5: Solve for x
    x = 13,308,952.49/3,182.82
  6. Step 6: Final answer
    x = 4,181.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.