Home / 3,453.09-4,765.94-1,961.07

Finding the Fourth Proportional to 3,453.09, 4,765.94 and 1,961.07

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Solution

The fourth proportional to 3,453.09, 4,765.94 and 1,961.07 is: 2,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.09 : 4,765.94 = 1,961.07 : x
  2. Step 2: Convert to fraction form
    3,453.09/4,765.94 = 1,961.07/x
  3. Step 3: Cross multiply
    3,453.09x = 4,765.94 × 1,961.07
  4. Step 4: Simplify right side
    3,453.09x = 9,346,341.96
  5. Step 5: Solve for x
    x = 9,346,341.96/3,453.09
  6. Step 6: Final answer
    x = 2,706.66

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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.