Home / 3,551.49-5,328.27-2,997.90

Finding the Fourth Proportional to 3,551.49, 5,328.27 and 2,997.90

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Solution

The fourth proportional to 3,551.49, 5,328.27 and 2,997.90 is: 4,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.49 : 5,328.27 = 2,997.90 : x
  2. Step 2: Convert to fraction form
    3,551.49/5,328.27 = 2,997.90/x
  3. Step 3: Cross multiply
    3,551.49x = 5,328.27 × 2,997.90
  4. Step 4: Simplify right side
    3,551.49x = 15,973,620.63
  5. Step 5: Solve for x
    x = 15,973,620.63/3,551.49
  6. Step 6: Final answer
    x = 4,497.72

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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.