Home / 3,748.73-5,173.09-2,154.29

Finding the Fourth Proportional to 3,748.73, 5,173.09 and 2,154.29

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Solution

The fourth proportional to 3,748.73, 5,173.09 and 2,154.29 is: 2,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.73 : 5,173.09 = 2,154.29 : x
  2. Step 2: Convert to fraction form
    3,748.73/5,173.09 = 2,154.29/x
  3. Step 3: Cross multiply
    3,748.73x = 5,173.09 × 2,154.29
  4. Step 4: Simplify right side
    3,748.73x = 11,144,304.80
  5. Step 5: Solve for x
    x = 11,144,304.80/3,748.73
  6. Step 6: Final answer
    x = 2,972.83

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1.5x scale

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.