Home / 3,583.09-5,372.34-1,389.48

Finding the Fourth Proportional to 3,583.09, 5,372.34 and 1,389.48

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Solution

The fourth proportional to 3,583.09, 5,372.34 and 1,389.48 is: 2,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.09 : 5,372.34 = 1,389.48 : x
  2. Step 2: Convert to fraction form
    3,583.09/5,372.34 = 1,389.48/x
  3. Step 3: Cross multiply
    3,583.09x = 5,372.34 × 1,389.48
  4. Step 4: Simplify right side
    3,583.09x = 7,464,758.98
  5. Step 5: Solve for x
    x = 7,464,758.98/3,583.09
  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.