Home / 2,663.28-3,997.48-2,495.60

Finding the Fourth Proportional to 2,663.28, 3,997.48 and 2,495.60

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Solution

The fourth proportional to 2,663.28, 3,997.48 and 2,495.60 is: 3,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.28 : 3,997.48 = 2,495.60 : x
  2. Step 2: Convert to fraction form
    2,663.28/3,997.48 = 2,495.60/x
  3. Step 3: Cross multiply
    2,663.28x = 3,997.48 × 2,495.60
  4. Step 4: Simplify right side
    2,663.28x = 9,976,111.09
  5. Step 5: Solve for x
    x = 9,976,111.09/2,663.28
  6. Step 6: Final answer
    x = 3,745.80

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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.