Home / 3,564.10-4,918.17-1,991.89

Finding the Fourth Proportional to 3,564.10, 4,918.17 and 1,991.89

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Solution

The fourth proportional to 3,564.10, 4,918.17 and 1,991.89 is: 2,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.10 : 4,918.17 = 1,991.89 : x
  2. Step 2: Convert to fraction form
    3,564.10/4,918.17 = 1,991.89/x
  3. Step 3: Cross multiply
    3,564.10x = 4,918.17 × 1,991.89
  4. Step 4: Simplify right side
    3,564.10x = 9,796,453.64
  5. Step 5: Solve for x
    x = 9,796,453.64/3,564.10
  6. Step 6: Final answer
    x = 2,748.65

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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.