Home / 2,761.25-3,810.42-1,582.08

Finding the Fourth Proportional to 2,761.25, 3,810.42 and 1,582.08

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Solution

The fourth proportional to 2,761.25, 3,810.42 and 1,582.08 is: 2,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.25 : 3,810.42 = 1,582.08 : x
  2. Step 2: Convert to fraction form
    2,761.25/3,810.42 = 1,582.08/x
  3. Step 3: Cross multiply
    2,761.25x = 3,810.42 × 1,582.08
  4. Step 4: Simplify right side
    2,761.25x = 6,028,389.27
  5. Step 5: Solve for x
    x = 6,028,389.27/2,761.25
  6. Step 6: Final answer
    x = 2,183.21

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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.