Home / 1,786.20-2,464.89-1,000.26

Finding the Fourth Proportional to 1,786.20, 2,464.89 and 1,000.26

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Solution

The fourth proportional to 1,786.20, 2,464.89 and 1,000.26 is: 1,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.20 : 2,464.89 = 1,000.26 : x
  2. Step 2: Convert to fraction form
    1,786.20/2,464.89 = 1,000.26/x
  3. Step 3: Cross multiply
    1,786.20x = 2,464.89 × 1,000.26
  4. Step 4: Simplify right side
    1,786.20x = 2,465,530.87
  5. Step 5: Solve for x
    x = 2,465,530.87/1,786.20
  6. Step 6: Final answer
    x = 1,380.32

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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.