Home / 3,260.36-4,499.28-1,768.31

Finding the Fourth Proportional to 3,260.36, 4,499.28 and 1,768.31

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Solution

The fourth proportional to 3,260.36, 4,499.28 and 1,768.31 is: 2,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.36 : 4,499.28 = 1,768.31 : x
  2. Step 2: Convert to fraction form
    3,260.36/4,499.28 = 1,768.31/x
  3. Step 3: Cross multiply
    3,260.36x = 4,499.28 × 1,768.31
  4. Step 4: Simplify right side
    3,260.36x = 7,956,121.82
  5. Step 5: Solve for x
    x = 7,956,121.82/3,260.36
  6. Step 6: Final answer
    x = 2,440.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.