Home / 1,786.08-2,465.94-1,226.37

Finding the Fourth Proportional to 1,786.08, 2,465.94 and 1,226.37

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Solution

The fourth proportional to 1,786.08, 2,465.94 and 1,226.37 is: 1,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.08 : 2,465.94 = 1,226.37 : x
  2. Step 2: Convert to fraction form
    1,786.08/2,465.94 = 1,226.37/x
  3. Step 3: Cross multiply
    1,786.08x = 2,465.94 × 1,226.37
  4. Step 4: Simplify right side
    1,786.08x = 3,024,154.84
  5. Step 5: Solve for x
    x = 3,024,154.84/1,786.08
  6. Step 6: Final answer
    x = 1,693.18

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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.