Home / 3,319.20-4,976.34-2,862.36

Finding the Fourth Proportional to 3,319.20, 4,976.34 and 2,862.36

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Solution

The fourth proportional to 3,319.20, 4,976.34 and 2,862.36 is: 4,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.20 : 4,976.34 = 2,862.36 : x
  2. Step 2: Convert to fraction form
    3,319.20/4,976.34 = 2,862.36/x
  3. Step 3: Cross multiply
    3,319.20x = 4,976.34 × 2,862.36
  4. Step 4: Simplify right side
    3,319.20x = 14,244,076.56
  5. Step 5: Solve for x
    x = 14,244,076.56/3,319.20
  6. Step 6: Final answer
    x = 4,291.42

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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.