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Finding the Fourth Proportional to 2,677.93, 3,694.65 and 1,734.92

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Solution

The fourth proportional to 2,677.93, 3,694.65 and 1,734.92 is: 2,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.93 : 3,694.65 = 1,734.92 : x
  2. Step 2: Convert to fraction form
    2,677.93/3,694.65 = 1,734.92/x
  3. Step 3: Cross multiply
    2,677.93x = 3,694.65 × 1,734.92
  4. Step 4: Simplify right side
    2,677.93x = 6,409,911.05
  5. Step 5: Solve for x
    x = 6,409,911.05/2,677.93
  6. Step 6: Final answer
    x = 2,393.61

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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.