Home / 3,546.92-5,320.32-1,081.76

Finding the Fourth Proportional to 3,546.92, 5,320.32 and 1,081.76

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Solution

The fourth proportional to 3,546.92, 5,320.32 and 1,081.76 is: 1,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.92 : 5,320.32 = 1,081.76 : x
  2. Step 2: Convert to fraction form
    3,546.92/5,320.32 = 1,081.76/x
  3. Step 3: Cross multiply
    3,546.92x = 5,320.32 × 1,081.76
  4. Step 4: Simplify right side
    3,546.92x = 5,755,309.36
  5. Step 5: Solve for x
    x = 5,755,309.36/3,546.92
  6. Step 6: Final answer
    x = 1,622.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.