Home / 3,555.39-4,906.26-1,983.18

Finding the Fourth Proportional to 3,555.39, 4,906.26 and 1,983.18

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Solution

The fourth proportional to 3,555.39, 4,906.26 and 1,983.18 is: 2,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.39 : 4,906.26 = 1,983.18 : x
  2. Step 2: Convert to fraction form
    3,555.39/4,906.26 = 1,983.18/x
  3. Step 3: Cross multiply
    3,555.39x = 4,906.26 × 1,983.18
  4. Step 4: Simplify right side
    3,555.39x = 9,729,996.71
  5. Step 5: Solve for x
    x = 9,729,996.71/3,555.39
  6. Step 6: Final answer
    x = 2,736.69

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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.