Home / 2,223.60-3,340-1,764.61

Finding the Fourth Proportional to 2,223.60, 3,340 and 1,764.61

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Solution

The fourth proportional to 2,223.60, 3,340 and 1,764.61 is: 2,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.60 : 3,340 = 1,764.61 : x
  2. Step 2: Convert to fraction form
    2,223.60/3,340 = 1,764.61/x
  3. Step 3: Cross multiply
    2,223.60x = 3,340 × 1,764.61
  4. Step 4: Simplify right side
    2,223.60x = 5,893,780.70
  5. Step 5: Solve for x
    x = 5,893,780.70/2,223.60
  6. Step 6: Final answer
    x = 2,650.56

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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.