Home / 2,630.44-3,629.70-1,582.60

Finding the Fourth Proportional to 2,630.44, 3,629.70 and 1,582.60

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Solution

The fourth proportional to 2,630.44, 3,629.70 and 1,582.60 is: 2,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.44 : 3,629.70 = 1,582.60 : x
  2. Step 2: Convert to fraction form
    2,630.44/3,629.70 = 1,582.60/x
  3. Step 3: Cross multiply
    2,630.44x = 3,629.70 × 1,582.60
  4. Step 4: Simplify right side
    2,630.44x = 5,744,363.22
  5. Step 5: Solve for x
    x = 5,744,363.22/2,630.44
  6. Step 6: Final answer
    x = 2,183.80

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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.