Home / 3,555.28-4,906.05-1,983.34

Finding the Fourth Proportional to 3,555.28, 4,906.05 and 1,983.34

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Solution

The fourth proportional to 3,555.28, 4,906.05 and 1,983.34 is: 2,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.28 : 4,906.05 = 1,983.34 : x
  2. Step 2: Convert to fraction form
    3,555.28/4,906.05 = 1,983.34/x
  3. Step 3: Cross multiply
    3,555.28x = 4,906.05 × 1,983.34
  4. Step 4: Simplify right side
    3,555.28x = 9,730,365.21
  5. Step 5: Solve for x
    x = 9,730,365.21/3,555.28
  6. Step 6: Final answer
    x = 2,736.88

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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.