Home / 3,555.06-4,906-1,983.22

Finding the Fourth Proportional to 3,555.06, 4,906 and 1,983.22

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Solution

The fourth proportional to 3,555.06, 4,906 and 1,983.22 is: 2,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.06 : 4,906 = 1,983.22 : x
  2. Step 2: Convert to fraction form
    3,555.06/4,906 = 1,983.22/x
  3. Step 3: Cross multiply
    3,555.06x = 4,906 × 1,983.22
  4. Step 4: Simplify right side
    3,555.06x = 9,729,677.32
  5. Step 5: Solve for x
    x = 9,729,677.32/3,555.06
  6. Step 6: Final answer
    x = 2,736.85

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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.