Home / 3,905.43-5,851.66-2,748.75

Finding the Fourth Proportional to 3,905.43, 5,851.66 and 2,748.75

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Solution

The fourth proportional to 3,905.43, 5,851.66 and 2,748.75 is: 4,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.43 : 5,851.66 = 2,748.75 : x
  2. Step 2: Convert to fraction form
    3,905.43/5,851.66 = 2,748.75/x
  3. Step 3: Cross multiply
    3,905.43x = 5,851.66 × 2,748.75
  4. Step 4: Simplify right side
    3,905.43x = 16,084,707.42
  5. Step 5: Solve for x
    x = 16,084,707.42/3,905.43
  6. Step 6: Final answer
    x = 4,118.55

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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.