Home / 1,786.68-2,463.23-1,226.93

Finding the Fourth Proportional to 1,786.68, 2,463.23 and 1,226.93

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Solution

The fourth proportional to 1,786.68, 2,463.23 and 1,226.93 is: 1,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.68 : 2,463.23 = 1,226.93 : x
  2. Step 2: Convert to fraction form
    1,786.68/2,463.23 = 1,226.93/x
  3. Step 3: Cross multiply
    1,786.68x = 2,463.23 × 1,226.93
  4. Step 4: Simplify right side
    1,786.68x = 3,022,192.33
  5. Step 5: Solve for x
    x = 3,022,192.33/1,786.68
  6. Step 6: Final answer
    x = 1,691.51

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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.