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Finding the Fourth Proportional to 2,712.75, 4,069.10 and 2,058.65

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Solution

The fourth proportional to 2,712.75, 4,069.10 and 2,058.65 is: 3,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.75 : 4,069.10 = 2,058.65 : x
  2. Step 2: Convert to fraction form
    2,712.75/4,069.10 = 2,058.65/x
  3. Step 3: Cross multiply
    2,712.75x = 4,069.10 × 2,058.65
  4. Step 4: Simplify right side
    2,712.75x = 8,376,852.78
  5. Step 5: Solve for x
    x = 8,376,852.78/2,712.75
  6. Step 6: Final answer
    x = 3,087.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.