Home / 3,197.75-4,412.99-1,800.50

Finding the Fourth Proportional to 3,197.75, 4,412.99 and 1,800.50

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Solution

The fourth proportional to 3,197.75, 4,412.99 and 1,800.50 is: 2,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.75 : 4,412.99 = 1,800.50 : x
  2. Step 2: Convert to fraction form
    3,197.75/4,412.99 = 1,800.50/x
  3. Step 3: Cross multiply
    3,197.75x = 4,412.99 × 1,800.50
  4. Step 4: Simplify right side
    3,197.75x = 7,945,579.49
  5. Step 5: Solve for x
    x = 7,945,579.49/3,197.75
  6. Step 6: Final answer
    x = 2,484.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.