Home / 3,948.35-5,446.86-2,354.09

Finding the Fourth Proportional to 3,948.35, 5,446.86 and 2,354.09

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Solution

The fourth proportional to 3,948.35, 5,446.86 and 2,354.09 is: 3,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.35 : 5,446.86 = 2,354.09 : x
  2. Step 2: Convert to fraction form
    3,948.35/5,446.86 = 2,354.09/x
  3. Step 3: Cross multiply
    3,948.35x = 5,446.86 × 2,354.09
  4. Step 4: Simplify right side
    3,948.35x = 12,822,398.66
  5. Step 5: Solve for x
    x = 12,822,398.66/3,948.35
  6. Step 6: Final answer
    x = 3,247.54

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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.