Home / 3,453.82-4,766.11-1,961.70

Finding the Fourth Proportional to 3,453.82, 4,766.11 and 1,961.70

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Solution

The fourth proportional to 3,453.82, 4,766.11 and 1,961.70 is: 2,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.82 : 4,766.11 = 1,961.70 : x
  2. Step 2: Convert to fraction form
    3,453.82/4,766.11 = 1,961.70/x
  3. Step 3: Cross multiply
    3,453.82x = 4,766.11 × 1,961.70
  4. Step 4: Simplify right side
    3,453.82x = 9,349,677.99
  5. Step 5: Solve for x
    x = 9,349,677.99/3,453.82
  6. Step 6: Final answer
    x = 2,707.05

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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.