Home / 3,832.40-5,289.86-2,239.49

Finding the Fourth Proportional to 3,832.40, 5,289.86 and 2,239.49

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Solution

The fourth proportional to 3,832.40, 5,289.86 and 2,239.49 is: 3,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.40 : 5,289.86 = 2,239.49 : x
  2. Step 2: Convert to fraction form
    3,832.40/5,289.86 = 2,239.49/x
  3. Step 3: Cross multiply
    3,832.40x = 5,289.86 × 2,239.49
  4. Step 4: Simplify right side
    3,832.40x = 11,846,607.39
  5. Step 5: Solve for x
    x = 11,846,607.39/3,832.40
  6. Step 6: Final answer
    x = 3,091.17

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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.