Home / 2,748.15-3,792.47-1,629.64

Finding the Fourth Proportional to 2,748.15, 3,792.47 and 1,629.64

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Solution

The fourth proportional to 2,748.15, 3,792.47 and 1,629.64 is: 2,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.15 : 3,792.47 = 1,629.64 : x
  2. Step 2: Convert to fraction form
    2,748.15/3,792.47 = 1,629.64/x
  3. Step 3: Cross multiply
    2,748.15x = 3,792.47 × 1,629.64
  4. Step 4: Simplify right side
    2,748.15x = 6,180,377.24
  5. Step 5: Solve for x
    x = 6,180,377.24/2,748.15
  6. Step 6: Final answer
    x = 2,248.92

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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.