Home / 3,982.51-5,494.75-2,388.16

Finding the Fourth Proportional to 3,982.51, 5,494.75 and 2,388.16

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Solution

The fourth proportional to 3,982.51, 5,494.75 and 2,388.16 is: 3,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.51 : 5,494.75 = 2,388.16 : x
  2. Step 2: Convert to fraction form
    3,982.51/5,494.75 = 2,388.16/x
  3. Step 3: Cross multiply
    3,982.51x = 5,494.75 × 2,388.16
  4. Step 4: Simplify right side
    3,982.51x = 13,122,342.16
  5. Step 5: Solve for x
    x = 13,122,342.16/3,982.51
  6. Step 6: Final answer
    x = 3,294.99

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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.