Home / 3,455.60-4,766.90-2,195.96

Finding the Fourth Proportional to 3,455.60, 4,766.90 and 2,195.96

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Solution

The fourth proportional to 3,455.60, 4,766.90 and 2,195.96 is: 3,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.60 : 4,766.90 = 2,195.96 : x
  2. Step 2: Convert to fraction form
    3,455.60/4,766.90 = 2,195.96/x
  3. Step 3: Cross multiply
    3,455.60x = 4,766.90 × 2,195.96
  4. Step 4: Simplify right side
    3,455.60x = 10,467,921.72
  5. Step 5: Solve for x
    x = 10,467,921.72/3,455.60
  6. Step 6: Final answer
    x = 3,029.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.