Home / 3,949.10-5,918-2,900.88

Finding the Fourth Proportional to 3,949.10, 5,918 and 2,900.88

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Solution

The fourth proportional to 3,949.10, 5,918 and 2,900.88 is: 4,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.10 : 5,918 = 2,900.88 : x
  2. Step 2: Convert to fraction form
    3,949.10/5,918 = 2,900.88/x
  3. Step 3: Cross multiply
    3,949.10x = 5,918 × 2,900.88
  4. Step 4: Simplify right side
    3,949.10x = 17,167,407.84
  5. Step 5: Solve for x
    x = 17,167,407.84/3,949.10
  6. Step 6: Final answer
    x = 4,347.17

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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.