Home / 3,690.40-5,532.84-2,229.24

Finding the Fourth Proportional to 3,690.40, 5,532.84 and 2,229.24

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Solution

The fourth proportional to 3,690.40, 5,532.84 and 2,229.24 is: 3,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.40 : 5,532.84 = 2,229.24 : x
  2. Step 2: Convert to fraction form
    3,690.40/5,532.84 = 2,229.24/x
  3. Step 3: Cross multiply
    3,690.40x = 5,532.84 × 2,229.24
  4. Step 4: Simplify right side
    3,690.40x = 12,334,028.24
  5. Step 5: Solve for x
    x = 12,334,028.24/3,690.40
  6. Step 6: Final answer
    x = 3,342.19

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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.