Home / 3,903.20-5,856.24-2,027.90

Finding the Fourth Proportional to 3,903.20, 5,856.24 and 2,027.90

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Solution

The fourth proportional to 3,903.20, 5,856.24 and 2,027.90 is: 3,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.20 : 5,856.24 = 2,027.90 : x
  2. Step 2: Convert to fraction form
    3,903.20/5,856.24 = 2,027.90/x
  3. Step 3: Cross multiply
    3,903.20x = 5,856.24 × 2,027.90
  4. Step 4: Simplify right side
    3,903.20x = 11,875,869.10
  5. Step 5: Solve for x
    x = 11,875,869.10/3,903.20
  6. Step 6: Final answer
    x = 3,042.60

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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.