Home / 3,903.28-5,856-2,173.12

Finding the Fourth Proportional to 3,903.28, 5,856 and 2,173.12

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Solution

The fourth proportional to 3,903.28, 5,856 and 2,173.12 is: 3,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.28 : 5,856 = 2,173.12 : x
  2. Step 2: Convert to fraction form
    3,903.28/5,856 = 2,173.12/x
  3. Step 3: Cross multiply
    3,903.28x = 5,856 × 2,173.12
  4. Step 4: Simplify right side
    3,903.28x = 12,725,790.72
  5. Step 5: Solve for x
    x = 12,725,790.72/3,903.28
  6. Step 6: Final answer
    x = 3,260.28

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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.