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Finding the Fourth Proportional to 3,453.39, 4,764.02 and 2,126.61

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Solution

The fourth proportional to 3,453.39, 4,764.02 and 2,126.61 is: 2,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.39 : 4,764.02 = 2,126.61 : x
  2. Step 2: Convert to fraction form
    3,453.39/4,764.02 = 2,126.61/x
  3. Step 3: Cross multiply
    3,453.39x = 4,764.02 × 2,126.61
  4. Step 4: Simplify right side
    3,453.39x = 10,131,201.94
  5. Step 5: Solve for x
    x = 10,131,201.94/3,453.39
  6. Step 6: Final answer
    x = 2,933.70

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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.