Home / 3,391.32-5,087.46-1,083

Finding the Fourth Proportional to 3,391.32, 5,087.46 and 1,083

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Solution

The fourth proportional to 3,391.32, 5,087.46 and 1,083 is: 1,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.32 : 5,087.46 = 1,083 : x
  2. Step 2: Convert to fraction form
    3,391.32/5,087.46 = 1,083/x
  3. Step 3: Cross multiply
    3,391.32x = 5,087.46 × 1,083
  4. Step 4: Simplify right side
    3,391.32x = 5,509,719.18
  5. Step 5: Solve for x
    x = 5,509,719.18/3,391.32
  6. Step 6: Final answer
    x = 1,624.65

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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.