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Finding the Fourth Proportional to 2,794.01, 4,169.78 and 2,680.99

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Solution

The fourth proportional to 2,794.01, 4,169.78 and 2,680.99 is: 4,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.01 : 4,169.78 = 2,680.99 : x
  2. Step 2: Convert to fraction form
    2,794.01/4,169.78 = 2,680.99/x
  3. Step 3: Cross multiply
    2,794.01x = 4,169.78 × 2,680.99
  4. Step 4: Simplify right side
    2,794.01x = 11,179,124.71
  5. Step 5: Solve for x
    x = 11,179,124.71/2,794.01
  6. Step 6: Final answer
    x = 4,001.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.