Home / 2,077.29-3,115.94-1,644.75

Finding the Fourth Proportional to 2,077.29, 3,115.94 and 1,644.75

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Solution

The fourth proportional to 2,077.29, 3,115.94 and 1,644.75 is: 2,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.29 : 3,115.94 = 1,644.75 : x
  2. Step 2: Convert to fraction form
    2,077.29/3,115.94 = 1,644.75/x
  3. Step 3: Cross multiply
    2,077.29x = 3,115.94 × 1,644.75
  4. Step 4: Simplify right side
    2,077.29x = 5,124,934.09
  5. Step 5: Solve for x
    x = 5,124,934.09/2,077.29
  6. Step 6: Final answer
    x = 2,467.13

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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.