Home / 3,239.33-4,859.01-1,388.88

Finding the Fourth Proportional to 3,239.33, 4,859.01 and 1,388.88

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Solution

The fourth proportional to 3,239.33, 4,859.01 and 1,388.88 is: 2,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.33 : 4,859.01 = 1,388.88 : x
  2. Step 2: Convert to fraction form
    3,239.33/4,859.01 = 1,388.88/x
  3. Step 3: Cross multiply
    3,239.33x = 4,859.01 × 1,388.88
  4. Step 4: Simplify right side
    3,239.33x = 6,748,581.81
  5. Step 5: Solve for x
    x = 6,748,581.81/3,239.33
  6. Step 6: Final answer
    x = 2,083.33

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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.