Home / 3,220.14-4,830.60-1,371.50

Finding the Fourth Proportional to 3,220.14, 4,830.60 and 1,371.50

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Solution

The fourth proportional to 3,220.14, 4,830.60 and 1,371.50 is: 2,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.14 : 4,830.60 = 1,371.50 : x
  2. Step 2: Convert to fraction form
    3,220.14/4,830.60 = 1,371.50/x
  3. Step 3: Cross multiply
    3,220.14x = 4,830.60 × 1,371.50
  4. Step 4: Simplify right side
    3,220.14x = 6,625,167.90
  5. Step 5: Solve for x
    x = 6,625,167.90/3,220.14
  6. Step 6: Final answer
    x = 2,057.42

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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.