Home / 3,553.49-5,331.27-2,999.90

Finding the Fourth Proportional to 3,553.49, 5,331.27 and 2,999.90

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Solution

The fourth proportional to 3,553.49, 5,331.27 and 2,999.90 is: 4,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.49 : 5,331.27 = 2,999.90 : x
  2. Step 2: Convert to fraction form
    3,553.49/5,331.27 = 2,999.90/x
  3. Step 3: Cross multiply
    3,553.49x = 5,331.27 × 2,999.90
  4. Step 4: Simplify right side
    3,553.49x = 15,993,276.87
  5. Step 5: Solve for x
    x = 15,993,276.87/3,553.49
  6. Step 6: Final answer
    x = 4,500.72

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1.5x scale

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.