Home / 3,944.56-5,920.50-1,998.16

Finding the Fourth Proportional to 3,944.56, 5,920.50 and 1,998.16

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Solution

The fourth proportional to 3,944.56, 5,920.50 and 1,998.16 is: 2,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.56 : 5,920.50 = 1,998.16 : x
  2. Step 2: Convert to fraction form
    3,944.56/5,920.50 = 1,998.16/x
  3. Step 3: Cross multiply
    3,944.56x = 5,920.50 × 1,998.16
  4. Step 4: Simplify right side
    3,944.56x = 11,830,106.28
  5. Step 5: Solve for x
    x = 11,830,106.28/3,944.56
  6. Step 6: Final answer
    x = 2,999.09

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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.