Home / 3,351.60-5,026.80-2,116.80

Finding the Fourth Proportional to 3,351.60, 5,026.80 and 2,116.80

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Solution

The fourth proportional to 3,351.60, 5,026.80 and 2,116.80 is: 3,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.60 : 5,026.80 = 2,116.80 : x
  2. Step 2: Convert to fraction form
    3,351.60/5,026.80 = 2,116.80/x
  3. Step 3: Cross multiply
    3,351.60x = 5,026.80 × 2,116.80
  4. Step 4: Simplify right side
    3,351.60x = 10,640,730.24
  5. Step 5: Solve for x
    x = 10,640,730.24/3,351.60
  6. Step 6: Final answer
    x = 3,174.82

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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.