Home / 1,845.27-2,761.43-1,431.77

Finding the Fourth Proportional to 1,845.27, 2,761.43 and 1,431.77

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Solution

The fourth proportional to 1,845.27, 2,761.43 and 1,431.77 is: 2,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.27 : 2,761.43 = 1,431.77 : x
  2. Step 2: Convert to fraction form
    1,845.27/2,761.43 = 1,431.77/x
  3. Step 3: Cross multiply
    1,845.27x = 2,761.43 × 1,431.77
  4. Step 4: Simplify right side
    1,845.27x = 3,953,711.67
  5. Step 5: Solve for x
    x = 3,953,711.67/1,845.27
  6. Step 6: Final answer
    x = 2,142.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.