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Finding the Fourth Proportional to 1,795.45, 2,694.79 and 756.22

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Solution

The fourth proportional to 1,795.45, 2,694.79 and 756.22 is: 1,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.45 : 2,694.79 = 756.22 : x
  2. Step 2: Convert to fraction form
    1,795.45/2,694.79 = 756.22/x
  3. Step 3: Cross multiply
    1,795.45x = 2,694.79 × 756.22
  4. Step 4: Simplify right side
    1,795.45x = 2,037,854.09
  5. Step 5: Solve for x
    x = 2,037,854.09/1,795.45
  6. Step 6: Final answer
    x = 1,135.01

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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.