Home / 2,982.28-4,471.38-1,518.60

Finding the Fourth Proportional to 2,982.28, 4,471.38 and 1,518.60

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Solution

The fourth proportional to 2,982.28, 4,471.38 and 1,518.60 is: 2,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.28 : 4,471.38 = 1,518.60 : x
  2. Step 2: Convert to fraction form
    2,982.28/4,471.38 = 1,518.60/x
  3. Step 3: Cross multiply
    2,982.28x = 4,471.38 × 1,518.60
  4. Step 4: Simplify right side
    2,982.28x = 6,790,237.67
  5. Step 5: Solve for x
    x = 6,790,237.67/2,982.28
  6. Step 6: Final answer
    x = 2,276.86

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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.