Home / 3,555.12-4,906.03-1,961.85

Finding the Fourth Proportional to 3,555.12, 4,906.03 and 1,961.85

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Solution

The fourth proportional to 3,555.12, 4,906.03 and 1,961.85 is: 2,707.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.12 : 4,906.03 = 1,961.85 : x
  2. Step 2: Convert to fraction form
    3,555.12/4,906.03 = 1,961.85/x
  3. Step 3: Cross multiply
    3,555.12x = 4,906.03 × 1,961.85
  4. Step 4: Simplify right side
    3,555.12x = 9,624,894.96
  5. Step 5: Solve for x
    x = 9,624,894.96/3,555.12
  6. Step 6: Final answer
    x = 2,707.33

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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.