Home / 1,786.20-2,464.88-1,000.22

Finding the Fourth Proportional to 1,786.20, 2,464.88 and 1,000.22

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Solution

The fourth proportional to 1,786.20, 2,464.88 and 1,000.22 is: 1,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.20 : 2,464.88 = 1,000.22 : x
  2. Step 2: Convert to fraction form
    1,786.20/2,464.88 = 1,000.22/x
  3. Step 3: Cross multiply
    1,786.20x = 2,464.88 × 1,000.22
  4. Step 4: Simplify right side
    1,786.20x = 2,465,422.27
  5. Step 5: Solve for x
    x = 2,465,422.27/1,786.20
  6. Step 6: Final answer
    x = 1,380.26

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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.