Home / 3,453.52-4,765.69-1,961.25

Finding the Fourth Proportional to 3,453.52, 4,765.69 and 1,961.25

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Solution

The fourth proportional to 3,453.52, 4,765.69 and 1,961.25 is: 2,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.52 : 4,765.69 = 1,961.25 : x
  2. Step 2: Convert to fraction form
    3,453.52/4,765.69 = 1,961.25/x
  3. Step 3: Cross multiply
    3,453.52x = 4,765.69 × 1,961.25
  4. Step 4: Simplify right side
    3,453.52x = 9,346,709.51
  5. Step 5: Solve for x
    x = 9,346,709.51/3,453.52
  6. Step 6: Final answer
    x = 2,706.43

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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.