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Finding the Fourth Proportional to 2,735.39, 3,773.53 and 1,790.77

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Solution

The fourth proportional to 2,735.39, 3,773.53 and 1,790.77 is: 2,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.39 : 3,773.53 = 1,790.77 : x
  2. Step 2: Convert to fraction form
    2,735.39/3,773.53 = 1,790.77/x
  3. Step 3: Cross multiply
    2,735.39x = 3,773.53 × 1,790.77
  4. Step 4: Simplify right side
    2,735.39x = 6,757,524.32
  5. Step 5: Solve for x
    x = 6,757,524.32/2,735.39
  6. Step 6: Final answer
    x = 2,470.41

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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.