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Finding the Fourth Proportional to 2,796.54, 3,857.58 and 1,746.78

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Solution

The fourth proportional to 2,796.54, 3,857.58 and 1,746.78 is: 2,409.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.54 : 3,857.58 = 1,746.78 : x
  2. Step 2: Convert to fraction form
    2,796.54/3,857.58 = 1,746.78/x
  3. Step 3: Cross multiply
    2,796.54x = 3,857.58 × 1,746.78
  4. Step 4: Simplify right side
    2,796.54x = 6,738,343.59
  5. Step 5: Solve for x
    x = 6,738,343.59/2,796.54
  6. Step 6: Final answer
    x = 2,409.53

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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.