Home / 3,583.11-5,372.58-1,389.28

Finding the Fourth Proportional to 3,583.11, 5,372.58 and 1,389.28

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Solution

The fourth proportional to 3,583.11, 5,372.58 and 1,389.28 is: 2,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.11 : 5,372.58 = 1,389.28 : x
  2. Step 2: Convert to fraction form
    3,583.11/5,372.58 = 1,389.28/x
  3. Step 3: Cross multiply
    3,583.11x = 5,372.58 × 1,389.28
  4. Step 4: Simplify right side
    3,583.11x = 7,463,996.87
  5. Step 5: Solve for x
    x = 7,463,996.87/3,583.11
  6. Step 6: Final answer
    x = 2,083.11

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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.