Home / 1,447.26-2,169.45-582.18

Finding the Fourth Proportional to 1,447.26, 2,169.45 and 582.18

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Solution

The fourth proportional to 1,447.26, 2,169.45 and 582.18 is: 872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.26 : 2,169.45 = 582.18 : x
  2. Step 2: Convert to fraction form
    1,447.26/2,169.45 = 582.18/x
  3. Step 3: Cross multiply
    1,447.26x = 2,169.45 × 582.18
  4. Step 4: Simplify right side
    1,447.26x = 1,263,010.40
  5. Step 5: Solve for x
    x = 1,263,010.40/1,447.26
  6. Step 6: Final answer
    x = 872.69

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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.