Home / 1,447.26-2,168.73-1,339.26

Finding the Fourth Proportional to 1,447.26, 2,168.73 and 1,339.26

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Solution

The fourth proportional to 1,447.26, 2,168.73 and 1,339.26 is: 2,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.26 : 2,168.73 = 1,339.26 : x
  2. Step 2: Convert to fraction form
    1,447.26/2,168.73 = 1,339.26/x
  3. Step 3: Cross multiply
    1,447.26x = 2,168.73 × 1,339.26
  4. Step 4: Simplify right side
    1,447.26x = 2,904,493.34
  5. Step 5: Solve for x
    x = 2,904,493.34/1,447.26
  6. Step 6: Final answer
    x = 2,006.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.