Home / 2,618.29-3,614.08-1,676.61

Finding the Fourth Proportional to 2,618.29, 3,614.08 and 1,676.61

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Solution

The fourth proportional to 2,618.29, 3,614.08 and 1,676.61 is: 2,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.29 : 3,614.08 = 1,676.61 : x
  2. Step 2: Convert to fraction form
    2,618.29/3,614.08 = 1,676.61/x
  3. Step 3: Cross multiply
    2,618.29x = 3,614.08 × 1,676.61
  4. Step 4: Simplify right side
    2,618.29x = 6,059,394.29
  5. Step 5: Solve for x
    x = 6,059,394.29/2,618.29
  6. Step 6: Final answer
    x = 2,314.26

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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.