Home / 3,558.36-5,335.70-1,999.43

Finding the Fourth Proportional to 3,558.36, 5,335.70 and 1,999.43

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Solution

The fourth proportional to 3,558.36, 5,335.70 and 1,999.43 is: 2,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.36 : 5,335.70 = 1,999.43 : x
  2. Step 2: Convert to fraction form
    3,558.36/5,335.70 = 1,999.43/x
  3. Step 3: Cross multiply
    3,558.36x = 5,335.70 × 1,999.43
  4. Step 4: Simplify right side
    3,558.36x = 10,668,321.98
  5. Step 5: Solve for x
    x = 10,668,321.98/3,558.36
  6. Step 6: Final answer
    x = 2,998.10

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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.