Home / 3,287.96-4,927.38-1,724.87

Finding the Fourth Proportional to 3,287.96, 4,927.38 and 1,724.87

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Solution

The fourth proportional to 3,287.96, 4,927.38 and 1,724.87 is: 2,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.96 : 4,927.38 = 1,724.87 : x
  2. Step 2: Convert to fraction form
    3,287.96/4,927.38 = 1,724.87/x
  3. Step 3: Cross multiply
    3,287.96x = 4,927.38 × 1,724.87
  4. Step 4: Simplify right side
    3,287.96x = 8,499,065.30
  5. Step 5: Solve for x
    x = 8,499,065.30/3,287.96
  6. Step 6: Final answer
    x = 2,584.91

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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.