Home / 2,761.29-3,810.60-1,582.47

Finding the Fourth Proportional to 2,761.29, 3,810.60 and 1,582.47

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Solution

The fourth proportional to 2,761.29, 3,810.60 and 1,582.47 is: 2,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.29 : 3,810.60 = 1,582.47 : x
  2. Step 2: Convert to fraction form
    2,761.29/3,810.60 = 1,582.47/x
  3. Step 3: Cross multiply
    2,761.29x = 3,810.60 × 1,582.47
  4. Step 4: Simplify right side
    2,761.29x = 6,030,160.18
  5. Step 5: Solve for x
    x = 6,030,160.18/2,761.29
  6. Step 6: Final answer
    x = 2,183.82

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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.