Home / 1,786.26-2,465.04-1,000.47

Finding the Fourth Proportional to 1,786.26, 2,465.04 and 1,000.47

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Solution

The fourth proportional to 1,786.26, 2,465.04 and 1,000.47 is: 1,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.26 : 2,465.04 = 1,000.47 : x
  2. Step 2: Convert to fraction form
    1,786.26/2,465.04 = 1,000.47/x
  3. Step 3: Cross multiply
    1,786.26x = 2,465.04 × 1,000.47
  4. Step 4: Simplify right side
    1,786.26x = 2,466,198.57
  5. Step 5: Solve for x
    x = 2,466,198.57/1,786.26
  6. Step 6: Final answer
    x = 1,380.65

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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.