Home / 3,137.67-4,708.05-2,219.13

Finding the Fourth Proportional to 3,137.67, 4,708.05 and 2,219.13

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Solution

The fourth proportional to 3,137.67, 4,708.05 and 2,219.13 is: 3,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.67 : 4,708.05 = 2,219.13 : x
  2. Step 2: Convert to fraction form
    3,137.67/4,708.05 = 2,219.13/x
  3. Step 3: Cross multiply
    3,137.67x = 4,708.05 × 2,219.13
  4. Step 4: Simplify right side
    3,137.67x = 10,447,775.00
  5. Step 5: Solve for x
    x = 10,447,775.00/3,137.67
  6. Step 6: Final answer
    x = 3,329.79

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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.