Home / 1,752.26-2,622.72-1,289.94

Finding the Fourth Proportional to 1,752.26, 2,622.72 and 1,289.94

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Solution

The fourth proportional to 1,752.26, 2,622.72 and 1,289.94 is: 1,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.26 : 2,622.72 = 1,289.94 : x
  2. Step 2: Convert to fraction form
    1,752.26/2,622.72 = 1,289.94/x
  3. Step 3: Cross multiply
    1,752.26x = 2,622.72 × 1,289.94
  4. Step 4: Simplify right side
    1,752.26x = 3,383,151.44
  5. Step 5: Solve for x
    x = 3,383,151.44/1,752.26
  6. Step 6: Final answer
    x = 1,930.74

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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.