Home / 2,724.76-4,087.06-1,621.75

Finding the Fourth Proportional to 2,724.76, 4,087.06 and 1,621.75

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Solution

The fourth proportional to 2,724.76, 4,087.06 and 1,621.75 is: 2,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.76 : 4,087.06 = 1,621.75 : x
  2. Step 2: Convert to fraction form
    2,724.76/4,087.06 = 1,621.75/x
  3. Step 3: Cross multiply
    2,724.76x = 4,087.06 × 1,621.75
  4. Step 4: Simplify right side
    2,724.76x = 6,628,189.56
  5. Step 5: Solve for x
    x = 6,628,189.56/2,724.76
  6. Step 6: Final answer
    x = 2,432.58

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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.