Home / 3,348.79-5,020.45-2,255.29

Finding the Fourth Proportional to 3,348.79, 5,020.45 and 2,255.29

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Solution

The fourth proportional to 3,348.79, 5,020.45 and 2,255.29 is: 3,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.79 : 5,020.45 = 2,255.29 : x
  2. Step 2: Convert to fraction form
    3,348.79/5,020.45 = 2,255.29/x
  3. Step 3: Cross multiply
    3,348.79x = 5,020.45 × 2,255.29
  4. Step 4: Simplify right side
    3,348.79x = 11,322,552.49
  5. Step 5: Solve for x
    x = 11,322,552.49/3,348.79
  6. Step 6: Final answer
    x = 3,381.09

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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.