Home / 2,761.07-3,810.29-1,582.15

Finding the Fourth Proportional to 2,761.07, 3,810.29 and 1,582.15

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Solution

The fourth proportional to 2,761.07, 3,810.29 and 1,582.15 is: 2,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.07 : 3,810.29 = 1,582.15 : x
  2. Step 2: Convert to fraction form
    2,761.07/3,810.29 = 1,582.15/x
  3. Step 3: Cross multiply
    2,761.07x = 3,810.29 × 1,582.15
  4. Step 4: Simplify right side
    2,761.07x = 6,028,450.32
  5. Step 5: Solve for x
    x = 6,028,450.32/2,761.07
  6. Step 6: Final answer
    x = 2,183.37

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1.5x scale

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.