Home / 3,551.45-5,321.10-2,251.40

Finding the Fourth Proportional to 3,551.45, 5,321.10 and 2,251.40

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Solution

The fourth proportional to 3,551.45, 5,321.10 and 2,251.40 is: 3,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.45 : 5,321.10 = 2,251.40 : x
  2. Step 2: Convert to fraction form
    3,551.45/5,321.10 = 2,251.40/x
  3. Step 3: Cross multiply
    3,551.45x = 5,321.10 × 2,251.40
  4. Step 4: Simplify right side
    3,551.45x = 11,979,924.54
  5. Step 5: Solve for x
    x = 11,979,924.54/3,551.45
  6. Step 6: Final answer
    x = 3,373.25

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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.