Home / 1,786.19-2,464.46-1,226.85

Finding the Fourth Proportional to 1,786.19, 2,464.46 and 1,226.85

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Solution

The fourth proportional to 1,786.19, 2,464.46 and 1,226.85 is: 1,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.19 : 2,464.46 = 1,226.85 : x
  2. Step 2: Convert to fraction form
    1,786.19/2,464.46 = 1,226.85/x
  3. Step 3: Cross multiply
    1,786.19x = 2,464.46 × 1,226.85
  4. Step 4: Simplify right side
    1,786.19x = 3,023,511.98
  5. Step 5: Solve for x
    x = 3,023,511.98/1,786.19
  6. Step 6: Final answer
    x = 1,692.72

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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.