Home / 2,630.14-3,630-1,582.20

Finding the Fourth Proportional to 2,630.14, 3,630 and 1,582.20

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Solution

The fourth proportional to 2,630.14, 3,630 and 1,582.20 is: 2,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.14 : 3,630 = 1,582.20 : x
  2. Step 2: Convert to fraction form
    2,630.14/3,630 = 1,582.20/x
  3. Step 3: Cross multiply
    2,630.14x = 3,630 × 1,582.20
  4. Step 4: Simplify right side
    2,630.14x = 5,743,367.85
  5. Step 5: Solve for x
    x = 5,743,367.85/2,630.14
  6. Step 6: Final answer
    x = 2,183.68

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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.