Home / 2,748.08-3,792.33-1,489.12

Finding the Fourth Proportional to 2,748.08, 3,792.33 and 1,489.12

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Solution

The fourth proportional to 2,748.08, 3,792.33 and 1,489.12 is: 2,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.08 : 3,792.33 = 1,489.12 : x
  2. Step 2: Convert to fraction form
    2,748.08/3,792.33 = 1,489.12/x
  3. Step 3: Cross multiply
    2,748.08x = 3,792.33 × 1,489.12
  4. Step 4: Simplify right side
    2,748.08x = 5,647,227.00
  5. Step 5: Solve for x
    x = 5,647,227.00/2,748.08
  6. Step 6: Final answer
    x = 2,054.98

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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.