Home / 3,699.32-5,550.60-2,160.32

Finding the Fourth Proportional to 3,699.32, 5,550.60 and 2,160.32

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Solution

The fourth proportional to 3,699.32, 5,550.60 and 2,160.32 is: 3,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.32 : 5,550.60 = 2,160.32 : x
  2. Step 2: Convert to fraction form
    3,699.32/5,550.60 = 2,160.32/x
  3. Step 3: Cross multiply
    3,699.32x = 5,550.60 × 2,160.32
  4. Step 4: Simplify right side
    3,699.32x = 11,991,072.19
  5. Step 5: Solve for x
    x = 11,991,072.19/3,699.32
  6. Step 6: Final answer
    x = 3,241.43

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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.