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Finding the Fourth Proportional to 2,718.87, 3,753.29 and 2,226.79

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Solution

The fourth proportional to 2,718.87, 3,753.29 and 2,226.79 is: 3,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.87 : 3,753.29 = 2,226.79 : x
  2. Step 2: Convert to fraction form
    2,718.87/3,753.29 = 2,226.79/x
  3. Step 3: Cross multiply
    2,718.87x = 3,753.29 × 2,226.79
  4. Step 4: Simplify right side
    2,718.87x = 8,357,786.37
  5. Step 5: Solve for x
    x = 8,357,786.37/2,718.87
  6. Step 6: Final answer
    x = 3,074.00

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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.