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Finding the Fourth Proportional to 2,796.55, 3,857.64 and 1,746.79

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Solution

The fourth proportional to 2,796.55, 3,857.64 and 1,746.79 is: 2,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.55 : 3,857.64 = 1,746.79 : x
  2. Step 2: Convert to fraction form
    2,796.55/3,857.64 = 1,746.79/x
  3. Step 3: Cross multiply
    2,796.55x = 3,857.64 × 1,746.79
  4. Step 4: Simplify right side
    2,796.55x = 6,738,502.31
  5. Step 5: Solve for x
    x = 6,738,502.31/2,796.55
  6. Step 6: Final answer
    x = 2,409.57

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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.