Home / 3,502.48-5,255.52-2,119.12

Finding the Fourth Proportional to 3,502.48, 5,255.52 and 2,119.12

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Solution

The fourth proportional to 3,502.48, 5,255.52 and 2,119.12 is: 3,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.48 : 5,255.52 = 2,119.12 : x
  2. Step 2: Convert to fraction form
    3,502.48/5,255.52 = 2,119.12/x
  3. Step 3: Cross multiply
    3,502.48x = 5,255.52 × 2,119.12
  4. Step 4: Simplify right side
    3,502.48x = 11,137,077.54
  5. Step 5: Solve for x
    x = 11,137,077.54/3,502.48
  6. Step 6: Final answer
    x = 3,179.77

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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.