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Finding the Fourth Proportional to 2,757.07, 3,795.27 and 2,381.77

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Solution

The fourth proportional to 2,757.07, 3,795.27 and 2,381.77 is: 3,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.07 : 3,795.27 = 2,381.77 : x
  2. Step 2: Convert to fraction form
    2,757.07/3,795.27 = 2,381.77/x
  3. Step 3: Cross multiply
    2,757.07x = 3,795.27 × 2,381.77
  4. Step 4: Simplify right side
    2,757.07x = 9,039,441.25
  5. Step 5: Solve for x
    x = 9,039,441.25/2,757.07
  6. Step 6: Final answer
    x = 3,278.65

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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.