Home / 3,949.22-5,918.20-2,900.99

Finding the Fourth Proportional to 3,949.22, 5,918.20 and 2,900.99

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Solution

The fourth proportional to 3,949.22, 5,918.20 and 2,900.99 is: 4,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.22 : 5,918.20 = 2,900.99 : x
  2. Step 2: Convert to fraction form
    3,949.22/5,918.20 = 2,900.99/x
  3. Step 3: Cross multiply
    3,949.22x = 5,918.20 × 2,900.99
  4. Step 4: Simplify right side
    3,949.22x = 17,168,646.56
  5. Step 5: Solve for x
    x = 17,168,646.56/3,949.22
  6. Step 6: Final answer
    x = 4,347.35

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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.