Home / 3,487.62-5,219.82-2,497.80

Finding the Fourth Proportional to 3,487.62, 5,219.82 and 2,497.80

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Solution

The fourth proportional to 3,487.62, 5,219.82 and 2,497.80 is: 3,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.62 : 5,219.82 = 2,497.80 : x
  2. Step 2: Convert to fraction form
    3,487.62/5,219.82 = 2,497.80/x
  3. Step 3: Cross multiply
    3,487.62x = 5,219.82 × 2,497.80
  4. Step 4: Simplify right side
    3,487.62x = 13,038,066.40
  5. Step 5: Solve for x
    x = 13,038,066.40/3,487.62
  6. Step 6: Final answer
    x = 3,738.39

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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.