Home / 2,928.44-4,389.59-1,817.86

Finding the Fourth Proportional to 2,928.44, 4,389.59 and 1,817.86

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Solution

The fourth proportional to 2,928.44, 4,389.59 and 1,817.86 is: 2,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.44 : 4,389.59 = 1,817.86 : x
  2. Step 2: Convert to fraction form
    2,928.44/4,389.59 = 1,817.86/x
  3. Step 3: Cross multiply
    2,928.44x = 4,389.59 × 1,817.86
  4. Step 4: Simplify right side
    2,928.44x = 7,979,660.08
  5. Step 5: Solve for x
    x = 7,979,660.08/2,928.44
  6. Step 6: Final answer
    x = 2,724.88

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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.