Home / 3,549.20-5,317.94-2,158.33

Finding the Fourth Proportional to 3,549.20, 5,317.94 and 2,158.33

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Solution

The fourth proportional to 3,549.20, 5,317.94 and 2,158.33 is: 3,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.20 : 5,317.94 = 2,158.33 : x
  2. Step 2: Convert to fraction form
    3,549.20/5,317.94 = 2,158.33/x
  3. Step 3: Cross multiply
    3,549.20x = 5,317.94 × 2,158.33
  4. Step 4: Simplify right side
    3,549.20x = 11,477,869.44
  5. Step 5: Solve for x
    x = 11,477,869.44/3,549.20
  6. Step 6: Final answer
    x = 3,233.93

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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.