Home / 3,752.75-5,623.65-2,109.76

Finding the Fourth Proportional to 3,752.75, 5,623.65 and 2,109.76

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Solution

The fourth proportional to 3,752.75, 5,623.65 and 2,109.76 is: 3,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.75 : 5,623.65 = 2,109.76 : x
  2. Step 2: Convert to fraction form
    3,752.75/5,623.65 = 2,109.76/x
  3. Step 3: Cross multiply
    3,752.75x = 5,623.65 × 2,109.76
  4. Step 4: Simplify right side
    3,752.75x = 11,864,575.33
  5. Step 5: Solve for x
    x = 11,864,575.33/3,752.75
  6. Step 6: Final answer
    x = 3,161.57

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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.