Home / 3,393.06-5,091.32-1,639.56

Finding the Fourth Proportional to 3,393.06, 5,091.32 and 1,639.56

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Solution

The fourth proportional to 3,393.06, 5,091.32 and 1,639.56 is: 2,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.06 : 5,091.32 = 1,639.56 : x
  2. Step 2: Convert to fraction form
    3,393.06/5,091.32 = 1,639.56/x
  3. Step 3: Cross multiply
    3,393.06x = 5,091.32 × 1,639.56
  4. Step 4: Simplify right side
    3,393.06x = 8,347,490.96
  5. Step 5: Solve for x
    x = 8,347,490.96/3,393.06
  6. Step 6: Final answer
    x = 2,460.17

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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.