Home / 3,955.50-5,933.25-1,647

Finding the Fourth Proportional to 3,955.50, 5,933.25 and 1,647

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Solution

The fourth proportional to 3,955.50, 5,933.25 and 1,647 is: 2,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.50 : 5,933.25 = 1,647 : x
  2. Step 2: Convert to fraction form
    3,955.50/5,933.25 = 1,647/x
  3. Step 3: Cross multiply
    3,955.50x = 5,933.25 × 1,647
  4. Step 4: Simplify right side
    3,955.50x = 9,772,062.75
  5. Step 5: Solve for x
    x = 9,772,062.75/3,955.50
  6. Step 6: Final answer
    x = 2,470.50

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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.