Home / 3,982.47-5,496.10-2,389.19

Finding the Fourth Proportional to 3,982.47, 5,496.10 and 2,389.19

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Solution

The fourth proportional to 3,982.47, 5,496.10 and 2,389.19 is: 3,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.47 : 5,496.10 = 2,389.19 : x
  2. Step 2: Convert to fraction form
    3,982.47/5,496.10 = 2,389.19/x
  3. Step 3: Cross multiply
    3,982.47x = 5,496.10 × 2,389.19
  4. Step 4: Simplify right side
    3,982.47x = 13,131,204.01
  5. Step 5: Solve for x
    x = 13,131,204.01/3,982.47
  6. Step 6: Final answer
    x = 3,297.25

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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.