Home / 2,748.38-3,792.98-1,629.57

Finding the Fourth Proportional to 2,748.38, 3,792.98 and 1,629.57

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Solution

The fourth proportional to 2,748.38, 3,792.98 and 1,629.57 is: 2,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.38 : 3,792.98 = 1,629.57 : x
  2. Step 2: Convert to fraction form
    2,748.38/3,792.98 = 1,629.57/x
  3. Step 3: Cross multiply
    2,748.38x = 3,792.98 × 1,629.57
  4. Step 4: Simplify right side
    2,748.38x = 6,180,914.21
  5. Step 5: Solve for x
    x = 6,180,914.21/2,748.38
  6. Step 6: Final answer
    x = 2,248.93

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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.