Home / 3,580.98-5,363.69-2,190.11

Finding the Fourth Proportional to 3,580.98, 5,363.69 and 2,190.11

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Solution

The fourth proportional to 3,580.98, 5,363.69 and 2,190.11 is: 3,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.98 : 5,363.69 = 2,190.11 : x
  2. Step 2: Convert to fraction form
    3,580.98/5,363.69 = 2,190.11/x
  3. Step 3: Cross multiply
    3,580.98x = 5,363.69 × 2,190.11
  4. Step 4: Simplify right side
    3,580.98x = 11,747,090.91
  5. Step 5: Solve for x
    x = 11,747,090.91/3,580.98
  6. Step 6: Final answer
    x = 3,280.41

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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.