Home / 3,663.92-5,490.48-2,735.12

Finding the Fourth Proportional to 3,663.92, 5,490.48 and 2,735.12

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Solution

The fourth proportional to 3,663.92, 5,490.48 and 2,735.12 is: 4,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.92 : 5,490.48 = 2,735.12 : x
  2. Step 2: Convert to fraction form
    3,663.92/5,490.48 = 2,735.12/x
  3. Step 3: Cross multiply
    3,663.92x = 5,490.48 × 2,735.12
  4. Step 4: Simplify right side
    3,663.92x = 15,017,121.66
  5. Step 5: Solve for x
    x = 15,017,121.66/3,663.92
  6. Step 6: Final answer
    x = 4,098.65

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1.5x scale

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.